80402 has 8 divisors (see below), whose sum is σ = 137856. Its totient is φ = 34452.

The previous prime is 80387. The next prime is 80407. The reversal of 80402 is 20408.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 5743 = 80402 / (8 + 0 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (80407) by changing a digit.

80402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2858 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (17232).

2⁸⁰⁴⁰² is an apocalyptic number.

80402 is a deficient number, since it is larger than the sum of its proper divisors (57454).

80402 is a wasteful number, since it uses less digits than its factorization.

80402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 80402 is about 283.5524642813. The cubic root of 80402 is about 43.1607468084.

The spelling of 80402 in words is "eighty thousand, four hundred two".