258387334 has 16 divisors (see below), whose sum is σ = 392475600. Its totient is φ = 127570464.

The previous prime is 258387323. The next prime is 258387379. The reversal of 258387334 is 433783852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67237 + ... + 70975.

It is an arithmetic number, because the mean of its divisors is an integer number (24529725).

Almost surely, 2^258387334 is an apocalyptic number.

258387334 is a deficient number, since it is larger than the sum of its proper divisors (134088266).

258387334 is a wasteful number, since it uses less digits than its factorization.

258387334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167.

The product of its digits is 483840, while the sum is 43.

The square root of 258387334 is about 16074.4310630268. The cubic root of 258387334 is about 636.9280962980.

The spelling of 258387334 in words is "two hundred fifty-eight million, three hundred eighty-seven thousand, three hundred thirty-four".