3402986 has 4 divisors (see below), whose sum is σ = 5104482. Its totient is φ = 1701492.

The previous prime is 3402979. The next prime is 3402989. The reversal of 3402986 is 6892043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6892043 = 239 ⋅28837.

It can be written as a sum of positive squares in only one way, i.e., 3330625 + 72361 = 1825^2 + 269^2 .

It is not an unprimeable number, because it can be changed into a prime (3402989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850745 + ... + 850748.

Almost surely, 2^3402986 is an apocalyptic number.

3402986 is a deficient number, since it is larger than the sum of its proper divisors (1701496).

3402986 is a wasteful number, since it uses less digits than its factorization.

3402986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701495.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3402986 is about 1844.7184066952. The cubic root of 3402986 is about 150.4134666624.

The spelling of 3402986 in words is "three million, four hundred two thousand, nine hundred eighty-six".