49397636 has 6 divisors (see below), whose sum is σ = 86445870. Its totient is φ = 24698816.

The previous prime is 49397599. The next prime is 49397653. The reversal of 49397636 is 63679394.

It can be written as a sum of positive squares in only one way, i.e., 49084036 + 313600 = 7006^2 + 560^2 .

It is a super-3 number, since 3×49397636³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6174701 + ... + 6174708.

It is an arithmetic number, because the mean of its divisors is an integer number (14407645).

Almost surely, 2^49397636 is an apocalyptic number.

It is an amenable number.

49397636 is a deficient number, since it is larger than the sum of its proper divisors (37048234).

49397636 is a wasteful number, since it uses less digits than its factorization.

49397636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12349413 (or 12349411 counting only the distinct ones).

The product of its digits is 734832, while the sum is 47.

The square root of 49397636 is about 7028.3451821890. The cubic root of 49397636 is about 366.9177501559.

The spelling of 49397636 in words is "forty-nine million, three hundred ninety-seven thousand, six hundred thirty-six".