46978656 has 24 divisors (see below), whose sum is σ = 123319224. Its totient is φ = 15659520.

The previous prime is 46978643. The next prime is 46978681. The reversal of 46978656 is 65687964.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 46978599 and 46978608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244585 + ... + 244776.

It is an arithmetic number, because the mean of its divisors is an integer number (5138301).

Almost surely, 2^46978656 is an apocalyptic number.

It is an amenable number.

46978656 is an abundant number, since it is smaller than the sum of its proper divisors (76340568).

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

46978656 is a wasteful number, since it uses less digits than its factorization.

46978656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489374 (or 489366 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 46978656 is about 6854.0977524398. The cubic root of 46978656 is about 360.8279708176.

The spelling of 46978656 in words is "forty-six million, nine hundred seventy-eight thousand, six hundred fifty-six".