49678365 has 48 divisors (see below), whose sum is σ = 88558848. Its totient is φ = 23760000.

The previous prime is 49678351. The next prime is 49678417. The reversal of 49678365 is 56387694.

It is a de Polignac number, because none of the positive numbers 2^k-49678365 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183180 + ... + 183450.

It is an arithmetic number, because the mean of its divisors is an integer number (1844976).

Almost surely, 2^49678365 is an apocalyptic number.

It is an amenable number.

49678365 is a deficient number, since it is larger than the sum of its proper divisors (38880483).

49678365 is a wasteful number, since it uses less digits than its factorization.

49678365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 391 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 49678365 is about 7048.2880900258. The cubic root of 49678365 is about 367.6115076500.

The spelling of 49678365 in words is "forty-nine million, six hundred seventy-eight thousand, three hundred sixty-five".