46978944 has 128 divisors (see below), whose sum is σ = 135129600. Its totient is φ = 14413824.

The previous prime is 46978909. The next prime is 46978961. The reversal of 46978944 is 44987964.

It is a tau number, because it is divible by the number of its divisors (128).

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, 342844 + ... + 342980.

It is an arithmetic number, because the mean of its divisors is an integer number (1055700).

Almost surely, 2^46978944 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 46978944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67564800).

46978944 is an abundant number, since it is smaller than the sum of its proper divisors (88150656).

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

46978944 is a wasteful number, since it uses less digits than its factorization.

46978944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 208 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 46978944 is about 6854.1187617374. The cubic root of 46978944 is about 360.8287081612.

The spelling of 46978944 in words is "forty-six million, nine hundred seventy-eight thousand, nine hundred forty-four".