49990836 has 24 divisors (see below), whose sum is σ = 133309120. Its totient is φ = 14283072.

The previous prime is 49990823. The next prime is 49990847. The reversal of 49990836 is 63809994.

It is a happy number.

It is a congruent 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, 297481 + ... + 297648.

Almost surely, 2^49990836 is an apocalyptic number.

It is an amenable number.

49990836 is an abundant number, since it is smaller than the sum of its proper divisors (83318284).

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

49990836 is a wasteful number, since it uses less digits than its factorization.

49990836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595143 (or 595141 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 49990836 is about 7070.4197895175. The cubic root of 49990836 is about 368.3806415124.

The spelling of 49990836 in words is "forty-nine million, nine hundred ninety thousand, eight hundred thirty-six".