945657 has 12 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 625848.

The previous prime is 945647. The next prime is 945671. The reversal of 945657 is 756549.

945657 is a `hidden beast` number, since 94 + 565 + 7 = 666.

It is not a de Polignac number, because 945657 - 2¹² = 941561 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945657.

It is not an unprimeable number, because it can be changed into a prime (945647) 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, 1318 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (114660).

2⁹⁴⁵⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

945657 is a deficient number, since it is larger than the sum of its proper divisors (430263).

945657 is a wasteful number, since it uses less digits than its factorization.

945657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 769 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 945657 is about 972.4489703835. The cubic root of 945657 is about 98.1547257365.

The spelling of 945657 in words is "nine hundred forty-five thousand, six hundred fifty-seven".