3857434031 has 8 divisors (see below), whose sum is σ = 4236354000. Its totient is φ = 3483221440.

The previous prime is 3857433973. The next prime is 3857434039. The reversal of 3857434031 is 1304347583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3857434031 - 2⁶ = 3857433967 is a prime.

It is a super-2 number, since 2×3857434031² = 29759594607033817922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857434039) 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, 1175126 + ... + 1178403.

It is an arithmetic number, because the mean of its divisors is an integer number (529544250).

Almost surely, 2^3857434031 is an apocalyptic number.

3857434031 is a deficient number, since it is larger than the sum of its proper divisors (378919969).

3857434031 is a wasteful number, since it uses less digits than its factorization.

3857434031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353689.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 3857434031 is about 62108.2444688304. The cubic root of 3857434031 is about 1568.3133374778.

The spelling of 3857434031 in words is "three billion, eight hundred fifty-seven million, four hundred thirty-four thousand, thirty-one".