49138692 has 24 divisors (see below), whose sum is σ = 115078656. Its totient is φ = 16319328.

The previous prime is 49138679. The next prime is 49138697. The reversal of 49138692 is 29683194.

It is a super-2 number, since 2×49138692² = 4829222102941728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49138697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4068 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (4794944).

Almost surely, 2^49138692 is an apocalyptic number.

It is an amenable number.

49138692 is an abundant number, since it is smaller than the sum of its proper divisors (65939964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49138692 is a wasteful number, since it uses less digits than its factorization.

49138692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15067 (or 15065 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 49138692 is about 7009.8995713205. The cubic root of 49138692 is about 366.2754950472.

The spelling of 49138692 in words is "forty-nine million, one hundred thirty-eight thousand, six hundred ninety-two".