258889230 has 32 divisors (see below), whose sum is σ = 690372000. Its totient is φ = 69037056.

The previous prime is 258889199. The next prime is 258889237. The reversal of 258889230 is 32988852.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258889237) 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, 479155 + ... + 479694.

It is an arithmetic number, because the mean of its divisors is an integer number (21574125).

Almost surely, 2^258889230 is an apocalyptic number.

258889230 is an abundant number, since it is smaller than the sum of its proper divisors (431482770).

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

258889230 is a wasteful number, since it uses less digits than its factorization.

258889230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958865 (or 958859 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 258889230 is about 16090.0351149399. The cubic root of 258889230 is about 637.3402229341.

The spelling of 258889230 in words is "two hundred fifty-eight million, eight hundred eighty-nine thousand, two hundred thirty".