3489988 has 12 divisors (see below), whose sum is σ = 6272812. Its totient is φ = 1697760.

The previous prime is 3489973. The next prime is 3490021. The reversal of 3489988 is 8899843.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 1364224 = 1458^2 + 1168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11643 + ... + 11938.

Almost surely, 2^3489988 is an apocalyptic number.

It is an amenable number.

3489988 is a deficient number, since it is larger than the sum of its proper divisors (2782824).

3489988 is a wasteful number, since it uses less digits than its factorization.

3489988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23622 (or 23620 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 3489988 is about 1868.1509574978. The cubic root of 3489988 is about 151.6845373353.

The spelling of 3489988 in words is "three million, four hundred eighty-nine thousand, nine hundred eighty-eight".