3894425157 has 16 divisors (see below), whose sum is σ = 5977683072. Its totient is φ = 2209140480.

The previous prime is 3894425147. The next prime is 3894425203. The reversal of 3894425157 is 7515244983.

It is not a de Polignac number, because 3894425157 - 2¹² = 3894421061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894425147) 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, 673944 + ... + 679697.

It is an arithmetic number, because the mean of its divisors is an integer number (373605192).

Almost surely, 2^3894425157 is an apocalyptic number.

It is an amenable number.

3894425157 is a deficient number, since it is larger than the sum of its proper divisors (2083257915).

3894425157 is a wasteful number, since it uses less digits than its factorization.

3894425157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353788.

The product of its digits is 1209600, while the sum is 48.

The square root of 3894425157 is about 62405.3295560563. The cubic root of 3894425157 is about 1573.3105468018.

The spelling of 3894425157 in words is "three billion, eight hundred ninety-four million, four hundred twenty-five thousand, one hundred fifty-seven".