3400120 has 32 divisors (see below), whose sum is σ = 7711200. Its totient is φ = 1349248.

The previous prime is 3400097. The next prime is 3400123. The reversal of 3400120 is 210043.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 3400097 and 3400106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400123) 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, 6426 + ... + 6934.

It is an arithmetic number, because the mean of its divisors is an integer number (240975).

Almost surely, 2^3400120 is an apocalyptic number.

It is an amenable number.

3400120 is an abundant number, since it is smaller than the sum of its proper divisors (4311080).

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

3400120 is a wasteful number, since it uses less digits than its factorization.

3400120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 3400120 is about 1843.9414307401. The cubic root of 3400120 is about 150.3712286522.

Adding to 3400120 its reverse (210043), we get a palindrome (3610163).

The spelling of 3400120 in words is "three million, four hundred thousand, one hundred twenty".