94443457 has 2 divisors, whose sum is σ = 94443458. Its totient is φ = 94443456.

The previous prime is 94443439. The next prime is 94443463. The reversal of 94443457 is 75434449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61449921 + 32993536 = 7839^2 + 5744^2 .

It is a cyclic number.

It is not a de Polignac number, because 94443457 - 2²³ = 86054849 is a prime.

It is a super-2 number, since 2×94443457² = 17839133140221698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94443407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47221728 + 47221729.

It is an arithmetic number, because the mean of its divisors is an integer number (47221729).

Almost surely, 2^94443457 is an apocalyptic number.

It is an amenable number.

94443457 is a deficient number, since it is larger than the sum of its proper divisors (1).

94443457 is an equidigital number, since it uses as much as digits as its factorization.

94443457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 94443457 is about 9718.2023543452. The cubic root of 94443457 is about 455.3974822331.

The spelling of 94443457 in words is "ninety-four million, four hundred forty-three thousand, four hundred fifty-seven".