3940658 has 8 divisors (see below), whose sum is σ = 6101760. Its totient is φ = 1906740.

The previous prime is 3940637. The next prime is 3940663. The reversal of 3940658 is 8560493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31718 + ... + 31841.

It is an arithmetic number, because the mean of its divisors is an integer number (762720).

Almost surely, 2^3940658 is an apocalyptic number.

3940658 is a deficient number, since it is larger than the sum of its proper divisors (2161102).

3940658 is a wasteful number, since it uses less digits than its factorization.

3940658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63592.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3940658 is about 1985.1090650138. The cubic root of 3940658 is about 157.9511946679.

The spelling of 3940658 in words is "three million, nine hundred forty thousand, six hundred fifty-eight".