49139694 has 12 divisors (see below), whose sum is σ = 106469376. Its totient is φ = 16379892.

The previous prime is 49139687. The next prime is 49139723. The reversal of 49139694 is 49693194.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1364974 + ... + 1365009.

It is an arithmetic number, because the mean of its divisors is an integer number (8872448).

Almost surely, 2^49139694 is an apocalyptic number.

49139694 is an abundant number, since it is smaller than the sum of its proper divisors (57329682).

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

49139694 is a wasteful number, since it uses less digits than its factorization.

49139694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729991 (or 2729988 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 49139694 is about 7009.9710413097. The cubic root of 49139694 is about 366.2779846369.

The spelling of 49139694 in words is "forty-nine million, one hundred thirty-nine thousand, six hundred ninety-four".