3940190 has 8 divisors (see below), whose sum is σ = 7092360. Its totient is φ = 1576072.

The previous prime is 3940177. The next prime is 3940207. The reversal of 3940190 is 910493.

It is a happy number.

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

It is a super-2 number, since 2×3940190² = 31050194472200, which contains 22 as substring.

It is a congruent 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, 197000 + ... + 197019.

It is an arithmetic number, because the mean of its divisors is an integer number (886545).

Almost surely, 2^3940190 is an apocalyptic number.

3940190 is a deficient number, since it is larger than the sum of its proper divisors (3152170).

3940190 is a wasteful number, since it uses less digits than its factorization.

3940190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394026.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3940190 is about 1984.9911838595. The cubic root of 3940190 is about 157.9449415594.

The spelling of 3940190 in words is "three million, nine hundred forty thousand, one hundred ninety".