331424894 has 32 divisors (see below), whose sum is σ = 562718016. Its totient is φ = 145530880.

The previous prime is 331424881. The next prime is 331424897. The reversal of 331424894 is 498424133.

331424894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331424894² = 219684920725822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331424897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26894 + ... + 37230.

It is an arithmetic number, because the mean of its divisors is an integer number (17584938).

Almost surely, 2^331424894 is an apocalyptic number.

331424894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

331424894 is a deficient number, since it is larger than the sum of its proper divisors (231293122).

331424894 is a wasteful number, since it uses less digits than its factorization.

331424894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420.

The product of its digits is 82944, while the sum is 38.

The square root of 331424894 is about 18205.0787968633. The cubic root of 331424894 is about 692.0355030400.

The spelling of 331424894 in words is "three hundred thirty-one million, four hundred twenty-four thousand, eight hundred ninety-four".