80386402 has 8 divisors (see below), whose sum is σ = 121934700. Its totient is φ = 39741504.

The previous prime is 80386381. The next prime is 80386409. The reversal of 80386402 is 20468308.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76580001 + 3806401 = 8751^2 + 1951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80386409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225627 + ... + 225982.

Almost surely, 2^80386402 is an apocalyptic number.

80386402 is a deficient number, since it is larger than the sum of its proper divisors (41548298).

80386402 is a wasteful number, since it uses less digits than its factorization.

80386402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451700.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 80386402 is about 8965.8464184928. The cubic root of 80386402 is about 431.5795556411.

The spelling of 80386402 in words is "eighty million, three hundred eighty-six thousand, four hundred two".