3997627 has 4 divisors (see below), whose sum is σ = 4035096. Its totient is φ = 3960160.

The previous prime is 3997603. The next prime is 3997639. The reversal of 3997627 is 7267993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7267993 = 17 ⋅427529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997627 is a prime.

It is a super-2 number, since 2×3997627² = 31962043262258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997927) 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, 18574 + ... + 18787.

It is an arithmetic number, because the mean of its divisors is an integer number (1008774).

Almost surely, 2^3997627 is an apocalyptic number.

3997627 is a deficient number, since it is larger than the sum of its proper divisors (37469).

3997627 is a wasteful number, since it uses less digits than its factorization.

3997627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37468.

The product of its digits is 142884, while the sum is 43.

The square root of 3997627 is about 1999.4066619875. The cubic root of 3997627 is about 158.7087081314.

It can be divided in two parts, 3997 and 627, that added together give a square (4624 = 68²).

The spelling of 3997627 in words is "three million, nine hundred ninety-seven thousand, six hundred twenty-seven".