3885642357 has 16 divisors (see below), whose sum is σ = 5324748480. Its totient is φ = 2518584192.

The previous prime is 3885642353. The next prime is 3885642373. The reversal of 3885642357 is 7532465883.

It is a happy number.

It is not a de Polignac number, because 3885642357 - 2² = 3885642353 is a prime.

It is a super-3 number, since 3×3885642357³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885642353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149953 + ... + 173945.

It is an arithmetic number, because the mean of its divisors is an integer number (332796780).

Almost surely, 2^3885642357 is an apocalyptic number.

3885642357 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3885642357 is a deficient number, since it is larger than the sum of its proper divisors (1439106123).

3885642357 is a wasteful number, since it uses less digits than its factorization.

3885642357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492.

The product of its digits is 4838400, while the sum is 51.

The square root of 3885642357 is about 62334.9208469859. The cubic root of 3885642357 is about 1572.1269341623.

The spelling of 3885642357 in words is "three billion, eight hundred eighty-five million, six hundred forty-two thousand, three hundred fifty-seven".