29640490 has 32 divisors (see below), whose sum is σ = 58428864. Its totient is φ = 10736640.

The previous prime is 29640467. The next prime is 29640493. The reversal of 29640490 is 9404692.

It is not an unprimeable number, because it can be changed into a prime (29640493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51082 + ... + 51658.

It is an arithmetic number, because the mean of its divisors is an integer number (1825902).

Almost surely, 2^29640490 is an apocalyptic number.

29640490 is a deficient number, since it is larger than the sum of its proper divisors (28788374).

29640490 is a wasteful number, since it uses less digits than its factorization.

29640490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 29640490 is about 5444.3080368399. The cubic root of 29640490 is about 309.4770579863.

The spelling of 29640490 in words is "twenty-nine million, six hundred forty thousand, four hundred ninety".