972299 has 4 divisors (see below), whose sum is σ = 974736. Its totient is φ = 969864.

The previous prime is 972277. The next prime is 972313. The reversal of 972299 is 992279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992279 = 31 ⋅32009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972299 is a prime.

It is a super-3 number, since 3×972299³ = 2757533339904140697, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (243684).

2⁹⁷²²⁹⁹ is an apocalyptic number.

972299 is a deficient number, since it is larger than the sum of its proper divisors (2437).

972299 is a wasteful number, since it uses less digits than its factorization.

972299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 20412, while the sum is 38.

The square root of 972299 is about 986.0522298540. The cubic root of 972299 is about 99.0679735886.

The spelling of 972299 in words is "nine hundred seventy-two thousand, two hundred ninety-nine".