423896944 has 20 divisors (see below), whose sum is σ = 849621960. Its totient is φ = 204639680.

The previous prime is 423896929. The next prime is 423896947. The reversal of 423896944 is 449698324.

423896944 = 157² + 158² + ... + 1084².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423896947) 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, 456322 + ... + 457249.

It is an arithmetic number, because the mean of its divisors is an integer number (42481098).

Almost surely, 2^423896944 is an apocalyptic number.

It is an amenable number.

423896944 is an abundant number, since it is smaller than the sum of its proper divisors (425725016).

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

423896944 is a wasteful number, since it uses less digits than its factorization.

423896944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913608 (or 913602 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

The square root of 423896944 is about 20588.7577090023. The cubic root of 423896944 is about 751.1962799084.

The spelling of 423896944 in words is "four hundred twenty-three million, eight hundred ninety-six thousand, nine hundred forty-four".