258973428 has 36 divisors (see below), whose sum is σ = 702929472. Its totient is φ = 73992240.

The previous prime is 258973409. The next prime is 258973453. The reversal of 258973428 is 824379852.

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, 219628 + ... + 220803.

Almost surely, 2^258973428 is an apocalyptic number.

258973428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

258973428 is an abundant number, since it is smaller than the sum of its proper divisors (443956044).

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

258973428 is a wasteful number, since it uses less digits than its factorization.

258973428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440452 (or 440443 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 258973428 is about 16092.6513663846. The cubic root of 258973428 is about 637.4093090520.

The spelling of 258973428 in words is "two hundred fifty-eight million, nine hundred seventy-three thousand, four hundred twenty-eight".