3949206 has 16 divisors (see below), whose sum is σ = 8082624. Its totient is φ = 1285704.

The previous prime is 3949199. The next prime is 3949213. The reversal of 3949206 is 6029493.

It is an interprime number because it is at equal distance from previous prime (3949199) and next prime (3949213).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396 + ... + 7911.

It is an arithmetic number, because the mean of its divisors is an integer number (505164).

Almost surely, 2^3949206 is an apocalyptic number.

3949206 is an abundant number, since it is smaller than the sum of its proper divisors (4133418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3949206 is a wasteful number, since it uses less digits than its factorization.

3949206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15355.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3949206 is about 1987.2609290176. The cubic root of 3949206 is about 158.0653204251.

The spelling of 3949206 in words is "three million, nine hundred forty-nine thousand, two hundred six".