29297990 has 16 divisors (see below), whose sum is σ = 52889760. Its totient is φ = 11685120.

The previous prime is 29297971. The next prime is 29297993. The reversal of 29297990 is 9979292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29297993) 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, 491 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (3305610).

Almost surely, 2^29297990 is an apocalyptic number.

29297990 is a deficient number, since it is larger than the sum of its proper divisors (23591770).

29297990 is a wasteful number, since it uses less digits than its factorization.

29297990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 29297990 is about 5412.7617719608. The cubic root of 29297990 is about 308.2804201060.

The spelling of 29297990 in words is "twenty-nine million, two hundred ninety-seven thousand, nine hundred ninety".