3187490894 has 36 divisors (see below), whose sum is σ = 5563440792. Its totient is φ = 1341713880.

The previous prime is 3187490893. The next prime is 3187490899. The reversal of 3187490894 is 4980947813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3187490893) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16688339 + ... + 16688529.

It is an arithmetic number, because the mean of its divisors is an integer number (154540022).

Almost surely, 2^3187490894 is an apocalyptic number.

3187490894 is a deficient number, since it is larger than the sum of its proper divisors (2375949898).

3187490894 is an frugal number, since it uses more digits than its factorization.

3187490894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 3187490894 is about 56457.8683090320. The cubic root of 3187490894 is about 1471.6899277846.

The spelling of 3187490894 in words is "three billion, one hundred eighty-seven million, four hundred ninety thousand, eight hundred ninety-four".