258387469 has 8 divisors (see below), whose sum is σ = 260925440. Its totient is φ = 255857616.

The previous prime is 258387457. The next prime is 258387499. The reversal of 258387469 is 964783852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258387469 is a prime.

It is a super-2 number, since 2×258387469² = 133528168272451922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258387499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76192 + ... + 79510.

It is an arithmetic number, because the mean of its divisors is an integer number (32615680).

Almost surely, 2^258387469 is an apocalyptic number.

It is an amenable number.

258387469 is a deficient number, since it is larger than the sum of its proper divisors (2537971).

258387469 is a wasteful number, since it uses less digits than its factorization.

258387469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059.

The product of its digits is 2903040, while the sum is 52.

The square root of 258387469 is about 16074.4352622417. The cubic root of 258387469 is about 636.9282072236.

The spelling of 258387469 in words is "two hundred fifty-eight million, three hundred eighty-seven thousand, four hundred sixty-nine".