8013458 has 4 divisors (see below), whose sum is σ = 12020190. Its totient is φ = 4006728.

The previous prime is 8013457. The next prime is 8013463. The reversal of 8013458 is 8543108.

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

It can be written as a sum of positive squares in only one way, i.e., 7912969 + 100489 = 2813^2 + 317^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8013458.

It is not an unprimeable number, because it can be changed into a prime (8013451) 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 as a sum of consecutive naturals, namely, 2003363 + ... + 2003366.

Almost surely, 2^8013458 is an apocalyptic number.

8013458 is a deficient number, since it is larger than the sum of its proper divisors (4006732).

8013458 is a wasteful number, since it uses less digits than its factorization.

8013458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006731.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8013458 is about 2830.8051858084. The cubic root of 8013458 is about 200.1120871706.

The spelling of 8013458 in words is "eight million, thirteen thousand, four hundred fifty-eight".