946125891 has 24 divisors (see below), whose sum is σ = 1376793600. Its totient is φ = 626077296.

The previous prime is 946125889. The next prime is 946125913. The reversal of 946125891 is 198521649.

946125891 is a `hidden beast` number, since 9 + 4 + 61 + 2 + 589 + 1 = 666.

It is not a de Polignac number, because 946125891 - 2¹ = 946125889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (946125811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201800 + ... + 1202586.

It is an arithmetic number, because the mean of its divisors is an integer number (57366400).

Almost surely, 2^946125891 is an apocalyptic number.

946125891 is a deficient number, since it is larger than the sum of its proper divisors (430667709).

946125891 is a wasteful number, since it uses less digits than its factorization.

946125891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1612 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 946125891 is about 30759.1594651089. The cubic root of 946125891 is about 981.7094594560.

The spelling of 946125891 in words is "nine hundred forty-six million, one hundred twenty-five thousand, eight hundred ninety-one".