3997454 has 4 divisors (see below), whose sum is σ = 5996184. Its totient is φ = 1998726.

The previous prime is 3997453. The next prime is 3997457. The reversal of 3997454 is 4547993.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 999362 + ... + 999365.

It is an arithmetic number, because the mean of its divisors is an integer number (1499046).

Almost surely, 2^3997454 is an apocalyptic number.

3997454 is a deficient number, since it is larger than the sum of its proper divisors (1998730).

3997454 is a wasteful number, since it uses less digits than its factorization.

3997454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998729.

The product of its digits is 136080, while the sum is 41.

The square root of 3997454 is about 1999.3633986847. The cubic root of 3997454 is about 158.7064186897.

The spelling of 3997454 in words is "three million, nine hundred ninety-seven thousand, four hundred fifty-four".