1986480236 has 24 divisors (see below), whose sum is σ = 3745748160. Its totient is φ = 916348032.

The previous prime is 1986480203. The next prime is 1986480241. The reversal of 1986480236 is 6320846891.

It is a super-2 number, since 2×1986480236² = 7892207456037231392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99485 + ... + 117771.

It is an arithmetic number, because the mean of its divisors is an integer number (156072840).

Almost surely, 2^1986480236 is an apocalyptic number.

It is an amenable number.

1986480236 is a deficient number, since it is larger than the sum of its proper divisors (1759267924).

1986480236 is a wasteful number, since it uses less digits than its factorization.

1986480236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20393 (or 20391 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1986480236 is about 44569.9476777795. The cubic root of 1986480236 is about 1257.0756561801.

The spelling of 1986480236 in words is "one billion, nine hundred eighty-six million, four hundred eighty thousand, two hundred thirty-six".