46942921 has 8 divisors (see below), whose sum is σ = 47579400. Its totient is φ = 46310400.

The previous prime is 46942879. The next prime is 46942949. The reversal of 46942921 is 12924964.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14907321 + 32035600 = 3861^2 + 5660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46942921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46942981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28521 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (5947425).

Almost surely, 2^46942921 is an apocalyptic number.

It is an amenable number.

46942921 is a deficient number, since it is larger than the sum of its proper divisors (636479).

46942921 is a wasteful number, since it uses less digits than its factorization.

46942921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its digits is 31104, while the sum is 37.

The square root of 46942921 is about 6851.4904217987. The cubic root of 46942921 is about 360.7364579235.

The spelling of 46942921 in words is "forty-six million, nine hundred forty-two thousand, nine hundred twenty-one".