3699986 has 8 divisors (see below), whose sum is σ = 5563404. Its totient is φ = 1845520.

The previous prime is 3699961. The next prime is 3700001. The reversal of 3699986 is 6899963.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 32761 = 1915^2 + 181^2 .

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

It is a d-powerful number, because it can be written as 3¹² + 6 + 9³ + 9⁶ + 9⁶ + 8⁷ + 6⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085 + ... + 2928.

Almost surely, 2^3699986 is an apocalyptic number.

3699986 is a deficient number, since it is larger than the sum of its proper divisors (1863418).

3699986 is a wasteful number, since it uses less digits than its factorization.

3699986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its digits is 629856, while the sum is 50.

The square root of 3699986 is about 1923.5347670370. The cubic root of 3699986 is about 154.6678423002.

The spelling of 3699986 in words is "three million, six hundred ninety-nine thousand, nine hundred eighty-six".