3390986 has 4 divisors (see below), whose sum is σ = 5086482. Its totient is φ = 1695492.

The previous prime is 3390983. The next prime is 3390991. The reversal of 3390986 is 6890933.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1739761 + 1651225 = 1319^2 + 1285^2 .

It is a super-2 number, since 2×3390986² = 22997572104392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3390983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847745 + ... + 847748.

Almost surely, 2^3390986 is an apocalyptic number.

3390986 is a deficient number, since it is larger than the sum of its proper divisors (1695496).

3390986 is a wasteful number, since it uses less digits than its factorization.

3390986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695495.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3390986 is about 1841.4630053303. The cubic root of 3390986 is about 150.2364566887.

It can be divided in two parts, 33 and 90986, that added together give a palindrome (91019).

The spelling of 3390986 in words is "three million, three hundred ninety thousand, nine hundred eighty-six".