29131490 has 16 divisors (see below), whose sum is σ = 52947648. Its totient is φ = 11539056.

The previous prime is 29131483. The next prime is 29131517. The reversal of 29131490 is 9413192.

It is a happy number.

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, 13112 + ... + 15171.

It is an arithmetic number, because the mean of its divisors is an integer number (3309228).

Almost surely, 2^29131490 is an apocalyptic number.

29131490 is a deficient number, since it is larger than the sum of its proper divisors (23816158).

29131490 is a wasteful number, since it uses less digits than its factorization.

29131490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28393.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 29131490 is about 5397.3595396268. The cubic root of 29131490 is about 307.6953261403.

The spelling of 29131490 in words is "twenty-nine million, one hundred thirty-one thousand, four hundred ninety".