946417857 has 32 divisors (see below), whose sum is σ = 1615801344. Its totient is φ = 478353600.

The previous prime is 946417847. The next prime is 946417877. The reversal of 946417857 is 758714649.

It is not a de Polignac number, because 946417857 - 2¹⁴ = 946401473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (946417847) 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, 46819 + ... + 63912.

It is an arithmetic number, because the mean of its divisors is an integer number (50493792).

Almost surely, 2^946417857 is an apocalyptic number.

It is an amenable number.

946417857 is a deficient number, since it is larger than the sum of its proper divisors (669383487).

946417857 is a wasteful number, since it uses less digits than its factorization.

946417857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110789.

The product of its digits is 1693440, while the sum is 51.

The square root of 946417857 is about 30763.9050999706. The cubic root of 946417857 is about 981.8104313276.

The spelling of 946417857 in words is "nine hundred forty-six million, four hundred seventeen thousand, eight hundred fifty-seven".