340778904 has 16 divisors (see below), whose sum is σ = 851947320. Its totient is φ = 113592960.

The previous prime is 340778873. The next prime is 340778909. The reversal of 340778904 is 409877043.

It is a super-2 number, since 2×340778904² = 232260522822882432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340778909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7099537 + ... + 7099584.

Almost surely, 2^340778904 is an apocalyptic number.

It is an amenable number.

340778904 is an abundant number, since it is smaller than the sum of its proper divisors (511168416).

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

340778904 is a wasteful number, since it uses less digits than its factorization.

340778904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14199130 (or 14199126 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 340778904 is about 18460.1978320927. The cubic root of 340778904 is about 698.4857771723.

The spelling of 340778904 in words is "three hundred forty million, seven hundred seventy-eight thousand, nine hundred four".