3180040 has 32 divisors (see below), whose sum is σ = 7231680. Its totient is φ = 1258432.

The previous prime is 3180031. The next prime is 3180101. The reversal of 3180040 is 400813.

It is a super-2 number, since 2×3180040² = 20225308803200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3179996 and 3180023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3909 + ... + 4651.

It is an arithmetic number, because the mean of its divisors is an integer number (225990).

Almost surely, 2^3180040 is an apocalyptic number.

It is an amenable number.

3180040 is an abundant number, since it is smaller than the sum of its proper divisors (4051640).

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

3180040 is a wasteful number, since it uses less digits than its factorization.

3180040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3180040 is about 1783.2666654205. The cubic root of 3180040 is about 147.0542320763.

Adding to 3180040 its reverse (400813), we get a palindrome (3580853).

The spelling of 3180040 in words is "three million, one hundred eighty thousand, forty".