49389372 has 96 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 15434496.

The previous prime is 49389359. The next prime is 49389383. The reversal of 49389372 is 27398394.

It is a happy number.

49389372 is a `hidden beast` number, since 493 + 8 + 93 + 72 = 666.

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

Its product of digits (326592) is a multiple of the sum of its prime factors (432).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146388 + ... + 146724.

It is an arithmetic number, because the mean of its divisors is an integer number (1419600).

Almost surely, 2^49389372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49389372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68140800).

49389372 is an abundant number, since it is smaller than the sum of its proper divisors (86892228).

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

49389372 is a wasteful number, since it uses less digits than its factorization.

49389372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 424 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 49389372 is about 7027.7572524953. The cubic root of 49389372 is about 366.8972877908.

The spelling of 49389372 in words is "forty-nine million, three hundred eighty-nine thousand, three hundred seventy-two".