4362640 has 40 divisors (see below), whose sum is σ = 10588608. Its totient is φ = 1668480.

The previous prime is 4362629. The next prime is 4362641. The reversal of 4362640 is 462634.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4362641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655 + ... + 3025.

Almost surely, 2^4362640 is an apocalyptic number.

4362640 is a gapful number since it is divisible by the number (40) 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 4362640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5294304).

4362640 is an abundant number, since it is smaller than the sum of its proper divisors (6225968).

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

4362640 is a wasteful number, since it uses less digits than its factorization.

4362640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4362640 is about 2088.6933714646. The cubic root of 4362640 is about 163.3991497444.

The spelling of 4362640 in words is "four million, three hundred sixty-two thousand, six hundred forty".