4457812 has 12 divisors (see below), whose sum is σ = 7900480. Its totient is φ = 2200536.

The previous prime is 4457801. The next prime is 4457813. The reversal of 4457812 is 2187544.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6738 + ... + 7369.

Almost surely, 2^4457812 is an apocalyptic number.

It is an amenable number.

4457812 is a deficient number, since it is larger than the sum of its proper divisors (3442668).

4457812 is a wasteful number, since it uses less digits than its factorization.

4457812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190 (or 14188 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 4457812 is about 2111.3531206314. The cubic root of 4457812 is about 164.5788094396.

The spelling of 4457812 in words is "four million, four hundred fifty-seven thousand, eight hundred twelve".