3857238402 has 16 divisors (see below), whose sum is σ = 7725780000. Its totient is φ = 1283862272.

The previous prime is 3857238401. The next prime is 3857238439. The reversal of 3857238402 is 2048327583.

It is not an unprimeable number, because it can be changed into a prime (3857238401) 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, 466527 + ... + 474722.

It is an arithmetic number, because the mean of its divisors is an integer number (482861250).

Almost surely, 2^3857238402 is an apocalyptic number.

3857238402 is an abundant number, since it is smaller than the sum of its proper divisors (3868541598).

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

3857238402 is a wasteful number, since it uses less digits than its factorization.

3857238402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941937.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 3857238402 is about 62106.6695452268. The cubic root of 3857238402 is about 1568.2868247965.

The spelling of 3857238402 in words is "three billion, eight hundred fifty-seven million, two hundred thirty-eight thousand, four hundred two".