3906742 has 24 divisors (see below), whose sum is σ = 7077456. Its totient is φ = 1584144.

The previous prime is 3906733. The next prime is 3906751. The reversal of 3906742 is 2476093.

It is an interprime number because it is at equal distance from previous prime (3906733) and next prime (3906751).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4668 + ... + 5440.

It is an arithmetic number, because the mean of its divisors is an integer number (294894).

Almost surely, 2^3906742 is an apocalyptic number.

3906742 is a deficient number, since it is larger than the sum of its proper divisors (3170714).

3906742 is a wasteful number, since it uses less digits than its factorization.

3906742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 3906742 is about 1976.5480009350. The cubic root of 3906742 is about 157.4967430249.

The spelling of 3906742 in words is "three million, nine hundred six thousand, seven hundred forty-two".