3857152 has 72 divisors (see below), whose sum is σ = 8870960. Its totient is φ = 1658880.

The previous prime is 3857141. The next prime is 3857153. The reversal of 3857152 is 2517583.

It is a super-2 number, since 2×3857152² = 29755243102208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857153) 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, 63202 + ... + 63262.

Almost surely, 2^3857152 is an apocalyptic number.

3857152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3857152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4435480).

3857152 is an abundant number, since it is smaller than the sum of its proper divisors (5013808).

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

3857152 is a wasteful number, since it uses less digits than its factorization.

3857152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 95 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 3857152 is about 1963.9633397800. The cubic root of 3857152 is about 156.8275114853.

The spelling of 3857152 in words is "three million, eight hundred fifty-seven thousand, one hundred fifty-two".