3989264 has 10 divisors (see below), whose sum is σ = 7729230. Its totient is φ = 1994624.

The previous prime is 3989261. The next prime is 3989267. The reversal of 3989264 is 4629893.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3989261) and next prime (3989267).

It can be written as a sum of positive squares in only one way, i.e., 3579664 + 409600 = 1892^2 + 640^2 .

It is not an unprimeable number, because it can be changed into a prime (3989261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124649 + ... + 124680.

It is an arithmetic number, because the mean of its divisors is an integer number (772923).

Almost surely, 2^3989264 is an apocalyptic number.

It is an amenable number.

3989264 is a deficient number, since it is larger than the sum of its proper divisors (3739966).

3989264 is a wasteful number, since it uses less digits than its factorization.

3989264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249337 (or 249331 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 3989264 is about 1997.3141966150. The cubic root of 3989264 is about 158.5979584661.

The spelling of 3989264 in words is "three million, nine hundred eighty-nine thousand, two hundred sixty-four".