979802 has 4 divisors (see below), whose sum is σ = 1469706. Its totient is φ = 489900.

The previous prime is 979787. The next prime is 979807. The reversal of 979802 is 208979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208979 = 53 ⋅3943.

It can be written as a sum of positive squares in only one way, i.e., 978121 + 1681 = 989^2 + 41^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (979807) 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, 244949 + ... + 244952.

2⁹⁷⁹⁸⁰² is an apocalyptic number.

979802 is a deficient number, since it is larger than the sum of its proper divisors (489904).

979802 is a wasteful number, since it uses less digits than its factorization.

979802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489903.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 979802 is about 989.8494835075. The cubic root of 979802 is about 99.3221488941.

The spelling of 979802 in words is "nine hundred seventy-nine thousand, eight hundred two".