29904057 has 12 divisors (see below), whose sum is σ = 44588544. Its totient is φ = 19292760.

The previous prime is 29904053. The next prime is 29904059. The reversal of 29904057 is 75040992.

It is not a de Polignac number, because 29904057 - 2² = 29904053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29904053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53313 + ... + 53870.

It is an arithmetic number, because the mean of its divisors is an integer number (3715712).

Almost surely, 2^29904057 is an apocalyptic number.

It is an amenable number.

29904057 is a deficient number, since it is larger than the sum of its proper divisors (14684487).

29904057 is a wasteful number, since it uses less digits than its factorization.

29904057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107220 (or 107217 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 29904057 is about 5468.4602037502. The cubic root of 29904057 is about 310.3916555098.

The spelling of 29904057 in words is "twenty-nine million, nine hundred four thousand, fifty-seven".