47798964 has 48 divisors (see below), whose sum is σ = 124756800. Its totient is φ = 15825888.

The previous prime is 47798923. The next prime is 47798987. The reversal of 47798964 is 46989774.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 47798964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15547 + ... + 18365.

It is an arithmetic number, because the mean of its divisors is an integer number (2599100).

Almost surely, 2^47798964 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 47798964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62378400).

47798964 is an abundant number, since it is smaller than the sum of its proper divisors (76957836).

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

47798964 is a wasteful number, since it uses less digits than its factorization.

47798964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2981 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 47798964 is about 6913.6794834589. The cubic root of 47798964 is about 362.9160382275.

The spelling of 47798964 in words is "forty-seven million, seven hundred ninety-eight thousand, nine hundred sixty-four".