3512340 has 144 divisors (see below), whose sum is σ = 12230400. Its totient is φ = 808704.

The previous prime is 3512323. The next prime is 3512351. The reversal of 3512340 is 432153.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44421 + ... + 44499.

Almost surely, 2^3512340 is an apocalyptic number.

3512340 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 3512340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115200).

3512340 is an abundant number, since it is smaller than the sum of its proper divisors (8718060).

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

3512340 is a wasteful number, since it uses less digits than its factorization.

3512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3512340 is about 1874.1237952707. The cubic root of 3512340 is about 152.0076750510.

Adding to 3512340 its reverse (432153), we get a palindrome (3944493).

The spelling of 3512340 in words is "three million, five hundred twelve thousand, three hundred forty".