29813938 has 16 divisors (see below), whose sum is σ = 55756224. Its totient is φ = 11615760.

The previous prime is 29813923. The next prime is 29813951. The reversal of 29813938 is 83931892.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29813894 and 29813903.

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, 96645 + ... + 96952.

It is an arithmetic number, because the mean of its divisors is an integer number (3484764).

Almost surely, 2^29813938 is an apocalyptic number.

29813938 is a deficient number, since it is larger than the sum of its proper divisors (25942286).

29813938 is a wasteful number, since it uses less digits than its factorization.

29813938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193617.

The product of its digits is 93312, while the sum is 43.

The square root of 29813938 is about 5460.2140983665. The cubic root of 29813938 is about 310.0795425438.

The spelling of 29813938 in words is "twenty-nine million, eight hundred thirteen thousand, nine hundred thirty-eight".