3857089398 has 16 divisors (see below), whose sum is σ = 7753339440. Its totient is φ = 1279169696.

The previous prime is 3857089373. The next prime is 3857089399. The reversal of 3857089398 is 8939807583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857089399) 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, 1630413 + ... + 1632776.

It is an arithmetic number, because the mean of its divisors is an integer number (484583715).

Almost surely, 2^3857089398 is an apocalyptic number.

3857089398 is an abundant number, since it is smaller than the sum of its proper divisors (3896250042).

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

3857089398 is a wasteful number, since it uses less digits than its factorization.

3857089398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263391.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The square root of 3857089398 is about 62105.4699523319. The cubic root of 3857089398 is about 1568.2666303815.

The spelling of 3857089398 in words is "three billion, eight hundred fifty-seven million, eighty-nine thousand, three hundred ninety-eight".