3116440 has 32 divisors (see below), whose sum is σ = 7426080. Its totient is φ = 1172992.

The previous prime is 3116417. The next prime is 3116447. The reversal of 3116440 is 446113.

It is a happy number.

It is a super-3 number, since 3×3116440³ = 90802449563333952000, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (232065).

Almost surely, 2^3116440 is an apocalyptic number.

It is an amenable number.

3116440 is an abundant number, since it is smaller than the sum of its proper divisors (4309640).

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

3116440 is a wasteful number, since it uses less digits than its factorization.

3116440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3116440 is about 1765.3441590806. The cubic root of 3116440 is about 146.0672736820.

It can be divided in two parts, 31 and 16440, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 3116440 in words is "three million, one hundred sixteen thousand, four hundred forty".