49307438 has 4 divisors (see below), whose sum is σ = 73961160. Its totient is φ = 24653718.

The previous prime is 49307417. The next prime is 49307471. The reversal of 49307438 is 83470394.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12326858 + ... + 12326861.

It is an arithmetic number, because the mean of its divisors is an integer number (18490290).

Almost surely, 2^49307438 is an apocalyptic number.

49307438 is a deficient number, since it is larger than the sum of its proper divisors (24653722).

49307438 is a wasteful number, since it uses less digits than its factorization.

49307438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24653721.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 49307438 is about 7021.9255193999. The cubic root of 49307438 is about 366.6942886445.

The spelling of 49307438 in words is "forty-nine million, three hundred seven thousand, four hundred thirty-eight".