9401957 has 2 divisors, whose sum is σ = 9401958. Its totient is φ = 9401956.

The previous prime is 9401947. The next prime is 9401981. The reversal of 9401957 is 7591049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8145316 + 1256641 = 2854^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 9401957 - 2⁸ = 9401701 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9401947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700978 + 4700979.

It is an arithmetic number, because the mean of its divisors is an integer number (4700979).

Almost surely, 2^9401957 is an apocalyptic number.

It is an amenable number.

9401957 is a deficient number, since it is larger than the sum of its proper divisors (1).

9401957 is an equidigital number, since it uses as much as digits as its factorization.

9401957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 9401957 is about 3066.2610782515. The cubic root of 9401957 is about 211.0600743868.

The spelling of 9401957 in words is "nine million, four hundred one thousand, nine hundred fifty-seven".