3464640 has 112 divisors (see below), whose sum is σ = 12252960. Its totient is φ = 921600.

The previous prime is 3464633. The next prime is 3464647. The reversal of 3464640 is 464643.

It is a happy number.

3464640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3464633) and next prime (3464647).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3464647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8440 + ... + 8840.

Almost surely, 2^3464640 is an apocalyptic number.

3464640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3464640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6126480).

3464640 is an abundant number, since it is smaller than the sum of its proper divisors (8788320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3464640 is a wasteful number, since it uses less digits than its factorization.

3464640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3464640 is about 1861.3543456312. The cubic root of 3464640 is about 151.3164132445.

The spelling of 3464640 in words is "three million, four hundred sixty-four thousand, six hundred forty".