8451042 has 16 divisors (see below), whose sum is σ = 17189280. Its totient is φ = 2769152.

The previous prime is 8451041. The next prime is 8451073. The reversal of 8451042 is 2401548.

It is a super-2 number, since 2×8451042² = 142840221771528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8451041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11583 + ... + 12290.

It is an arithmetic number, because the mean of its divisors is an integer number (1074330).

Almost surely, 2^8451042 is an apocalyptic number.

8451042 is an abundant number, since it is smaller than the sum of its proper divisors (8738238).

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

8451042 is a wasteful number, since it uses less digits than its factorization.

8451042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23937.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 8451042 is about 2907.0675946734. The cubic root of 8451042 is about 203.6901775269.

The spelling of 8451042 in words is "eight million, four hundred fifty-one thousand, forty-two".