3857492 has 6 divisors (see below), whose sum is σ = 6750618. Its totient is φ = 1928744.

The previous prime is 3857489. The next prime is 3857519. The reversal of 3857492 is 2947583.

It can be written as a sum of positive squares in only one way, i.e., 3857296 + 196 = 1964^2 + 14^2 .

It is a d-powerful number, because it can be written as 3¹¹ + 8⁷ + 5⁵ + 7² + 4¹⁰ + 9⁶ + 2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482183 + ... + 482190.

It is an arithmetic number, because the mean of its divisors is an integer number (1125103).

Almost surely, 2^3857492 is an apocalyptic number.

It is an amenable number.

3857492 is a deficient number, since it is larger than the sum of its proper divisors (2893126).

3857492 is a wasteful number, since it uses less digits than its factorization.

3857492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964377 (or 964375 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 3857492 is about 1964.0498975332. The cubic root of 3857492 is about 156.8321193572.

Subtracting from 3857492 its reverse (2947583), we obtain a palindrome (909909).

The spelling of 3857492 in words is "three million, eight hundred fifty-seven thousand, four hundred ninety-two".