3997190 has 8 divisors (see below), whose sum is σ = 7194960. Its totient is φ = 1598872.

The previous prime is 3997181. The next prime is 3997211. The reversal of 3997190 is 917993.

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 2×3997190² = 31955055792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199850 + ... + 199869.

It is an arithmetic number, because the mean of its divisors is an integer number (899370).

Almost surely, 2^3997190 is an apocalyptic number.

3997190 is a deficient number, since it is larger than the sum of its proper divisors (3197770).

3997190 is a wasteful number, since it uses less digits than its factorization.

3997190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399726.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 3997190 is about 1999.2973765801. The cubic root of 3997190 is about 158.7029248478.

The spelling of 3997190 in words is "three million, nine hundred ninety-seven thousand, one hundred ninety".