3857874285 has 32 divisors (see below), whose sum is σ = 6505873920. Its totient is φ = 1946721600.

The previous prime is 3857874221. The next prime is 3857874299. The reversal of 3857874285 is 5824787583.

It is not a de Polignac number, because 3857874285 - 2⁶ = 3857874221 is a prime.

It is a super-2 number, since 2×3857874285² = 29766387997728522450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222790 + ... + 239480.

It is an arithmetic number, because the mean of its divisors is an integer number (203308560).

Almost surely, 2^3857874285 is an apocalyptic number.

It is an amenable number.

3857874285 is a deficient number, since it is larger than the sum of its proper divisors (2647999635).

3857874285 is a wasteful number, since it uses less digits than its factorization.

3857874285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17529.

The product of its digits is 15052800, while the sum is 57.

The square root of 3857874285 is about 62111.7886153667. The cubic root of 3857874285 is about 1568.3729997600.

The spelling of 3857874285 in words is "three billion, eight hundred fifty-seven million, eight hundred seventy-four thousand, two hundred eighty-five".