46986921 has 12 divisors (see below), whose sum is σ = 68049540. Its totient is φ = 31241760.

The previous prime is 46986913. The next prime is 46986937. The reversal of 46986921 is 12968964.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29648025 + 17338896 = 5445^2 + 4164^2 .

It is not a de Polignac number, because 46986921 - 2³ = 46986913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46986971) 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, 3210 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (5670795).

Almost surely, 2^46986921 is an apocalyptic number.

It is an amenable number.

46986921 is a deficient number, since it is larger than the sum of its proper divisors (21062619).

46986921 is a wasteful number, since it uses less digits than its factorization.

46986921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816 (or 13813 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 46986921 is about 6854.7006499190. The cubic root of 46986921 is about 360.8491298471.

The spelling of 46986921 in words is "forty-six million, nine hundred eighty-six thousand, nine hundred twenty-one".