3898772 has 12 divisors (see below), whose sum is σ = 6989556. Its totient is φ = 1901760.

The previous prime is 3898771. The next prime is 3898841. The reversal of 3898772 is 2778983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 3400336 = 706^2 + 1844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11723 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (582463).

Almost surely, 2^3898772 is an apocalyptic number.

It is an amenable number.

3898772 is a deficient number, since it is larger than the sum of its proper divisors (3090784).

3898772 is a wasteful number, since it uses less digits than its factorization.

3898772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23818 (or 23816 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 3898772 is about 1974.5308303493. The cubic root of 3898772 is about 157.3895690160.

The spelling of 3898772 in words is "three million, eight hundred ninety-eight thousand, seven hundred seventy-two".