3997458 has 16 divisors (see below), whose sum is σ = 8883360. Its totient is φ = 1332468.

The previous prime is 3997457. The next prime is 3997463. The reversal of 3997458 is 8547993.

It is not an unprimeable number, because it can be changed into a prime (3997453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36960 + ... + 37067.

It is an arithmetic number, because the mean of its divisors is an integer number (555210).

Almost surely, 2^3997458 is an apocalyptic number.

3997458 is an abundant number, since it is smaller than the sum of its proper divisors (4885902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3997458 is a wasteful number, since it uses less digits than its factorization.

3997458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74038 (or 74032 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3997458 is about 1999.3643990028. The cubic root of 3997458 is about 158.7064716255.

The spelling of 3997458 in words is "three million, nine hundred ninety-seven thousand, four hundred fifty-eight".