49638407 has 8 divisors (see below), whose sum is σ = 61093536. Its totient is φ = 39274272.

The previous prime is 49638403. The next prime is 49638493. The reversal of 49638407 is 70483694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49638407 - 2² = 49638403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49638403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272648 + ... + 272829.

It is an arithmetic number, because the mean of its divisors is an integer number (7636692).

Almost surely, 2^49638407 is an apocalyptic number.

49638407 is a deficient number, since it is larger than the sum of its proper divisors (11455129).

49638407 is a wasteful number, since it uses less digits than its factorization.

49638407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545497.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 49638407 is about 7045.4529307916. The cubic root of 49638407 is about 367.5129203966.

The spelling of 49638407 in words is "forty-nine million, six hundred thirty-eight thousand, four hundred seven".