46978216 has 16 divisors (see below), whose sum is σ = 88220340. Its totient is φ = 23452800.

The previous prime is 46978207. The next prime is 46978273. The reversal of 46978216 is 61287964.

It can be written as a sum of positive squares in 2 ways, for example, as 46977316 + 900 = 6854^2 + 30^2 .

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, 1420 + ... + 9796.

Almost surely, 2^46978216 is an apocalyptic number.

It is an amenable number.

46978216 is a deficient number, since it is larger than the sum of its proper divisors (41242124).

46978216 is a wasteful number, since it uses less digits than its factorization.

46978216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084 (or 9080 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 46978216 is about 6854.0656547775. The cubic root of 46978216 is about 360.8268443145.

The spelling of 46978216 in words is "forty-six million, nine hundred seventy-eight thousand, two hundred sixteen".