29796978 has 32 divisors (see below), whose sum is σ = 64900800. Its totient is φ = 9084096.

The previous prime is 29796967. The next prime is 29797021. The reversal of 29796978 is 87969792.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (2028150).

Almost surely, 2^29796978 is an apocalyptic number.

29796978 is an abundant number, since it is smaller than the sum of its proper divisors (35103822).

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

29796978 is a wasteful number, since it uses less digits than its factorization.

29796978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066.

The product of its digits is 3429216, while the sum is 57.

The square root of 29796978 is about 5458.6608247811. The cubic root of 29796978 is about 310.0207339583.

The spelling of 29796978 in words is "twenty-nine million, seven hundred ninety-six thousand, nine hundred seventy-eight".