946959391 has 4 divisors (see below), whose sum is σ = 1082239312. Its totient is φ = 811679472.

The previous prime is 946959361. The next prime is 946959397. The reversal of 946959391 is 193959649.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 946959391 - 2¹³ = 946951199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946959397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67639950 + ... + 67639963.

It is an arithmetic number, because the mean of its divisors is an integer number (270559828).

Almost surely, 2^946959391 is an apocalyptic number.

946959391 is a deficient number, since it is larger than the sum of its proper divisors (135279921).

946959391 is a wasteful number, since it uses less digits than its factorization.

946959391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135279920.

The product of its digits is 2361960, while the sum is 55.

The square root of 946959391 is about 30772.7052921904. The cubic root of 946959391 is about 981.9976574208.

The spelling of 946959391 in words is "nine hundred forty-six million, nine hundred fifty-nine thousand, three hundred ninety-one".