426994428 has 36 divisors (see below), whose sum is σ = 1158986472. Its totient is φ = 121998240.

The previous prime is 426994427. The next prime is 426994433. The reversal of 426994428 is 824499624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426994427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362503 + ... + 363678.

Almost surely, 2^426994428 is an apocalyptic number.

It is an amenable number.

426994428 is an abundant number, since it is smaller than the sum of its proper divisors (731992044).

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

426994428 is a wasteful number, since it uses less digits than its factorization.

426994428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726202 (or 726193 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 426994428 is about 20663.8434953423. The cubic root of 426994428 is about 753.0215457787.

The spelling of 426994428 in words is "four hundred twenty-six million, nine hundred ninety-four thousand, four hundred twenty-eight".