946396521 has 32 divisors (see below), whose sum is σ = 1629542400. Its totient is φ = 531625680.

The previous prime is 946396519. The next prime is 946396523. The reversal of 946396521 is 125693649.

946396521 is a `hidden beast` number, since 9 + 4 + 639 + 6 + 5 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (946396519) and next prime (946396523).

It is not a de Polignac number, because 946396521 - 2¹ = 946396519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (946396523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31285 + ... + 53586.

It is an arithmetic number, because the mean of its divisors is an integer number (50923200).

Almost surely, 2^946396521 is an apocalyptic number.

It is an amenable number.

946396521 is a deficient number, since it is larger than the sum of its proper divisors (683145879).

946396521 is a wasteful number, since it uses less digits than its factorization.

946396521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84946 (or 84940 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 946396521 is about 30763.5583279958. The cubic root of 946396521 is about 981.8030533093.

The spelling of 946396521 in words is "nine hundred forty-six million, three hundred ninety-six thousand, five hundred twenty-one".