980402 has 4 divisors (see below), whose sum is σ = 1470606. Its totient is φ = 490200.

The previous prime is 980401. The next prime is 980417. The reversal of 980402 is 204089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204089 = 127 ⋅1607.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 434281 = 739^2 + 659^2 .

It is a super-2 number, since 2×980402² = 1922376163208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980401) by changing a digit.

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, 245099 + ... + 245102.

2⁹⁸⁰⁴⁰² is an apocalyptic number.

980402 is a deficient number, since it is larger than the sum of its proper divisors (490204).

980402 is a wasteful number, since it uses less digits than its factorization.

980402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490203.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 980402 is about 990.1525135049. The cubic root of 980402 is about 99.3424186796.

The spelling of 980402 in words is "nine hundred eighty thousand, four hundred two".