3987215234 has 8 divisors (see below), whose sum is σ = 5985402768. Its totient is φ = 1992080980.

The previous prime is 3987215233. The next prime is 3987215237. The reversal of 3987215234 is 4325127893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3987215233) 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, 760052 + ... + 765279.

It is an arithmetic number, because the mean of its divisors is an integer number (748175346).

Almost surely, 2^3987215234 is an apocalyptic number.

3987215234 is a deficient number, since it is larger than the sum of its proper divisors (1998187534).

3987215234 is a wasteful number, since it uses less digits than its factorization.

3987215234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526640.

The product of its digits is 362880, while the sum is 44.

The square root of 3987215234 is about 63144.3998625373. The cubic root of 3987215234 is about 1585.7080343657.

The spelling of 3987215234 in words is "three billion, nine hundred eighty-seven million, two hundred fifteen thousand, two hundred thirty-four".