3685987294 has 64 divisors (see below), whose sum is σ = 6533332992. Its totient is φ = 1541030400.

The previous prime is 3685987271. The next prime is 3685987301. The reversal of 3685987294 is 4927895863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3371812 + ... + 3372904.

It is an arithmetic number, because the mean of its divisors is an integer number (102083328).

Almost surely, 2^3685987294 is an apocalyptic number.

3685987294 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3685987294 is a deficient number, since it is larger than the sum of its proper divisors (2847345698).

3685987294 is a wasteful number, since it uses less digits than its factorization.

3685987294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 26127360, while the sum is 61.

The square root of 3685987294 is about 60712.3323057186. The cubic root of 3685987294 is about 1544.7253651762.

The spelling of 3685987294 in words is "three billion, six hundred eighty-five million, nine hundred eighty-seven thousand, two hundred ninety-four".