47744838 has 24 divisors (see below), whose sum is σ = 105401088. Its totient is φ = 15614352.

The previous prime is 47744833. The next prime is 47744861. The reversal of 47744838 is 83844774.

It is a junction number, because it is equal to n+sod(n) for n = 47744793 and 47744802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47744831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24070 + ... + 25977.

It is an arithmetic number, because the mean of its divisors is an integer number (4391712).

Almost surely, 2^47744838 is an apocalyptic number.

47744838 is an abundant number, since it is smaller than the sum of its proper divisors (57656250).

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

47744838 is a wasteful number, since it uses less digits than its factorization.

47744838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50108 (or 50105 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 47744838 is about 6909.7639612363. The cubic root of 47744838 is about 362.7790016968.

The spelling of 47744838 in words is "forty-seven million, seven hundred forty-four thousand, eight hundred thirty-eight".