3997046 has 8 divisors (see below), whose sum is σ = 6006000. Its totient is φ = 1995048.

The previous prime is 3997043. The next prime is 3997051. The reversal of 3997046 is 6407993.

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

It is a super-2 number, since 2×3997046² = 31952753452232, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (750750).

Almost surely, 2^3997046 is an apocalyptic number.

3997046 is a deficient number, since it is larger than the sum of its proper divisors (2008954).

3997046 is a wasteful number, since it uses less digits than its factorization.

3997046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3997046 is about 1999.2613636041. The cubic root of 3997046 is about 158.7010190510.

The spelling of 3997046 in words is "three million, nine hundred ninety-seven thousand, forty-six".