49639008 has 24 divisors (see below), whose sum is σ = 130302648. Its totient is φ = 16546304.

The previous prime is 49638977. The next prime is 49639013. The reversal of 49639008 is 80093694.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×49639008² = 4928062230448128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258441 + ... + 258632.

It is an arithmetic number, because the mean of its divisors is an integer number (5429277).

Almost surely, 2^49639008 is an apocalyptic number.

49639008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49639008 is an abundant number, since it is smaller than the sum of its proper divisors (80663640).

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

49639008 is a wasteful number, since it uses less digits than its factorization.

49639008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517086 (or 517078 counting only the distinct ones).

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

The square root of 49639008 is about 7045.4955822852. The cubic root of 49639008 is about 367.5144036189.

The spelling of 49639008 in words is "forty-nine million, six hundred thirty-nine thousand, eight".