3120404 has 12 divisors (see below), whose sum is σ = 6240864. Its totient is φ = 1337304.

The previous prime is 3120373. The next prime is 3120407. The reversal of 3120404 is 4040213.

3120404 = 208² + 209² + ... + 263².

3120404 is an admirable number.

It is a super-2 number, since 2×3120404² = 19473842246432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

3120404 is a modest number, since divided by 404 gives 312 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55694 + ... + 55749.

It is an arithmetic number, because the mean of its divisors is an integer number (520072).

Almost surely, 2^3120404 is an apocalyptic number.

It is an amenable number.

3120404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3120404 is a wasteful number, since it uses less digits than its factorization.

3120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111454 (or 111452 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3120404 is about 1766.4665295442. The cubic root of 3120404 is about 146.1291782219.

Adding to 3120404 its reverse (4040213), we get a palindrome (7160617).

The spelling of 3120404 in words is "three million, one hundred twenty thousand, four hundred four".