8045402 has 4 divisors (see below), whose sum is σ = 12068106. Its totient is φ = 4022700.

The previous prime is 8045393. The next prime is 8045419. The reversal of 8045402 is 2045408.

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., 5424241 + 2621161 = 2329^2 + 1619^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011349 + ... + 2011352.

Almost surely, 2^8045402 is an apocalyptic number.

8045402 is a deficient number, since it is larger than the sum of its proper divisors (4022704).

8045402 is a wasteful number, since it uses less digits than its factorization.

8045402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022703.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 8045402 is about 2836.4417850539. The cubic root of 8045402 is about 200.3776365046.

The spelling of 8045402 in words is "eight million, forty-five thousand, four hundred two".