3407986 has 4 divisors (see below), whose sum is σ = 5111982. Its totient is φ = 1703992.

The previous prime is 3407983. The next prime is 3408001. The reversal of 3407986 is 6897043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6897043 = 2389 ⋅2887.

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 99225 = 1819^2 + 315^2 .

It is a super-2 number, since 2×3407986² = 23228737152392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3407983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851995 + ... + 851998.

Almost surely, 2^3407986 is an apocalyptic number.

3407986 is a deficient number, since it is larger than the sum of its proper divisors (1703996).

3407986 is a wasteful number, since it uses less digits than its factorization.

3407986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703995.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3407986 is about 1846.0731296457. The cubic root of 3407986 is about 150.4870980062.

The spelling of 3407986 in words is "three million, four hundred seven thousand, nine hundred eighty-six".