3987609610 has 36 divisors (see below), whose sum is σ = 7582568274. Its totient is φ = 1509656400.

The previous prime is 3987609551. The next prime is 3987609623. The reversal of 3987609610 is 169067893.

It can be written as a sum of positive squares in only one way, i.e., 3588848649 + 398760961 = 59907^2 + 19969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3793585 + ... + 3794635.

Almost surely, 2^3987609610 is an apocalyptic number.

3987609610 is a deficient number, since it is larger than the sum of its proper divisors (3594958664).

3987609610 is an equidigital number, since it uses as much as digits as its factorization.

3987609610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 3987609610 is about 63147.5225959024. The cubic root of 3987609610 is about 1585.7603135078.

The spelling of 3987609610 in words is "three billion, nine hundred eighty-seven million, six hundred nine thousand, six hundred ten".