29926990 has 16 divisors (see below), whose sum is σ = 53962848. Its totient is φ = 11949856.

The previous prime is 29926951. The next prime is 29926993. The reversal of 29926990 is 9962992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29926990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29926993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4239 + ... + 8821.

It is an arithmetic number, because the mean of its divisors is an integer number (3372678).

Almost surely, 2^29926990 is an apocalyptic number.

29926990 is a deficient number, since it is larger than the sum of its proper divisors (24035858).

29926990 is a wasteful number, since it uses less digits than its factorization.

29926990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 29926990 is about 5470.5566444376. The cubic root of 29926990 is about 310.4709802314.

The spelling of 29926990 in words is "twenty-nine million, nine hundred twenty-six thousand, nine hundred ninety".