945639474 has 32 divisors (see below), whose sum is σ = 2067172800. Its totient is φ = 286621632.

The previous prime is 945639473. The next prime is 945639479. The reversal of 945639474 is 474936549.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (945639473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85249 + ... + 95700.

It is an arithmetic number, because the mean of its divisors is an integer number (64599150).

Almost surely, 2^945639474 is an apocalyptic number.

945639474 is an abundant number, since it is smaller than the sum of its proper divisors (1121533326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945639474 is a wasteful number, since it uses less digits than its factorization.

945639474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181034.

The product of its digits is 3265920, while the sum is 51.

The square root of 945639474 is about 30751.2515842852. The cubic root of 945639474 is about 981.5411936078.

The spelling of 945639474 in words is "nine hundred forty-five million, six hundred thirty-nine thousand, four hundred seventy-four".