29976845 has 16 divisors (see below), whose sum is σ = 38143488. Its totient is φ = 22576320.

The previous prime is 29976829. The next prime is 29976871. The reversal of 29976845 is 54867992.

It is a happy number.

It is not a de Polignac number, because 29976845 - 2⁴ = 29976829 is a prime.

It is a super-2 number, since 2×29976845² = 1797222472308050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29976793 and 29976802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3122 + ... + 8348.

It is an arithmetic number, because the mean of its divisors is an integer number (2383968).

Almost surely, 2^29976845 is an apocalyptic number.

It is an amenable number.

29976845 is a deficient number, since it is larger than the sum of its proper divisors (8166643).

29976845 is a wasteful number, since it uses less digits than its factorization.

29976845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300.

The product of its digits is 1088640, while the sum is 50.

The square root of 29976845 is about 5475.1114143915. Note that the first 3 decimals coincide. The cubic root of 29976845 is about 310.6432878318.

The spelling of 29976845 in words is "twenty-nine million, nine hundred seventy-six thousand, eight hundred forty-five".