946710891 has 72 divisors (see below), whose sum is σ = 1701922560. Its totient is φ = 495370080.

The previous prime is 946710851. The next prime is 946710899. The reversal of 946710891 is 198017649.

It is a happy number.

It is not a de Polignac number, because 946710891 - 2⁶ = 946710827 is a prime.

It is a super-2 number, since 2×946710891² = 1792523022276027762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946710899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1149906 + ... + 1150728.

Almost surely, 2^946710891 is an apocalyptic number.

946710891 is a deficient number, since it is larger than the sum of its proper divisors (755211669).

946710891 is a wasteful number, since it uses less digits than its factorization.

946710891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 946710891 is about 30768.6673582071. The cubic root of 946710891 is about 981.9117516720.

The spelling of 946710891 in words is "nine hundred forty-six million, seven hundred ten thousand, eight hundred ninety-one".