428590134 has 24 divisors (see below), whose sum is σ = 1061271120. Its totient is φ = 122454288.

The previous prime is 428590121. The next prime is 428590147. The reversal of 428590134 is 431095824.

It is an interprime number because it is at equal distance from previous prime (428590121) and next prime (428590147).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1700629 + ... + 1700880.

It is an arithmetic number, because the mean of its divisors is an integer number (44219630).

Almost surely, 2^428590134 is an apocalyptic number.

428590134 is an abundant number, since it is smaller than the sum of its proper divisors (632680986).

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

428590134 is a wasteful number, since it uses less digits than its factorization.

428590134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401524 (or 3401521 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 428590134 is about 20702.4185543622. The cubic root of 428590134 is about 753.9584098996.

The spelling of 428590134 in words is "four hundred twenty-eight million, five hundred ninety thousand, one hundred thirty-four".