49904490 has 32 divisors (see below), whose sum is σ = 123010560. Its totient is φ = 12947904.

The previous prime is 49904471. The next prime is 49904531. The reversal of 49904490 is 9440994.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21370 + ... + 23589.

It is an arithmetic number, because the mean of its divisors is an integer number (3844080).

Almost surely, 2^49904490 is an apocalyptic number.

49904490 is an abundant number, since it is smaller than the sum of its proper divisors (73106070).

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

49904490 is a wasteful number, since it uses less digits than its factorization.

49904490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45006.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 49904490 is about 7064.3110067437. The cubic root of 49904490 is about 368.1684257783.

The spelling of 49904490 in words is "forty-nine million, nine hundred four thousand, four hundred ninety".