49690436 has 12 divisors (see below), whose sum is σ = 87298428. Its totient is φ = 24748032.

The previous prime is 49690411. The next prime is 49690441. The reversal of 49690436 is 63409694.

It can be written as a sum of positive squares in 2 ways, for example, as 46648900 + 3041536 = 6830^2 + 1744^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49690393 and 49690402.

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, 23141 + ... + 25196.

It is an arithmetic number, because the mean of its divisors is an integer number (7274869).

Almost surely, 2^49690436 is an apocalyptic number.

It is an amenable number.

49690436 is a deficient number, since it is larger than the sum of its proper divisors (37607992).

49690436 is a wasteful number, since it uses less digits than its factorization.

49690436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48598 (or 48596 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 49690436 is about 7049.1443452379. The cubic root of 49690436 is about 367.6412796923.

The spelling of 49690436 in words is "forty-nine million, six hundred ninety thousand, four hundred thirty-six".