49636646 has 8 divisors (see below), whose sum is σ = 75222840. Its totient is φ = 24562368.

The previous prime is 49636633. The next prime is 49636667. The reversal of 49636646 is 64663694.

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

It is a super-2 number, since 2×49636646² = 4927593252258632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49636597 and 49636606.

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, 127736 + ... + 128123.

It is an arithmetic number, because the mean of its divisors is an integer number (9402855).

Almost surely, 2^49636646 is an apocalyptic number.

49636646 is a deficient number, since it is larger than the sum of its proper divisors (25586194).

49636646 is a wasteful number, since it uses less digits than its factorization.

49636646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255958.

The product of its digits is 559872, while the sum is 44.

The square root of 49636646 is about 7045.3279554610. The cubic root of 49636646 is about 367.5085743137.

The spelling of 49636646 in words is "forty-nine million, six hundred thirty-six thousand, six hundred forty-six".