3898072 has 16 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 1941216.

The previous prime is 3898057. The next prime is 3898073. The reversal of 3898072 is 2708983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898073) 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, 1513 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^3898072 is an apocalyptic number.

It is an amenable number.

3898072 is a deficient number, since it is larger than the sum of its proper divisors (3440168).

3898072 is a wasteful number, since it uses less digits than its factorization.

3898072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3898072 is about 1974.3535650942. The cubic root of 3898072 is about 157.3801490163.

The spelling of 3898072 in words is "three million, eight hundred ninety-eight thousand, seventy-two".