3851247258 has 12 divisors (see below), whose sum is σ = 8344369098. Its totient is φ = 1283749080.

The previous prime is 3851247233. The next prime is 3851247263. The reversal of 3851247258 is 8527421583.

3851247258 is a `hidden beast` number, since 385 + 1 + 247 + 25 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2196140769 + 1655106489 = 46863^2 + 40683^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106979073 + ... + 106979108.

Almost surely, 2^3851247258 is an apocalyptic number.

3851247258 is an abundant number, since it is smaller than the sum of its proper divisors (4493121840).

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

3851247258 is a wasteful number, since it uses less digits than its factorization.

3851247258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213958189 (or 213958186 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 3851247258 is about 62058.4181074574. The cubic root of 3851247258 is about 1567.4744386604.

The spelling of 3851247258 in words is "three billion, eight hundred fifty-one million, two hundred forty-seven thousand, two hundred fifty-eight".