862490973 has 4 divisors (see below), whose sum is σ = 1149987968. Its totient is φ = 574993980.

The previous prime is 862490957. The next prime is 862490977. The reversal of 862490973 is 379094268.

862490973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 862490973 - 2⁴ = 862490957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862490977) 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, 143748493 + ... + 143748498.

It is an arithmetic number, because the mean of its divisors is an integer number (287496992).

Almost surely, 2^862490973 is an apocalyptic number.

It is an amenable number.

862490973 is a deficient number, since it is larger than the sum of its proper divisors (287496995).

862490973 is a wasteful number, since it uses less digits than its factorization.

862490973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287496994.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 862490973 is about 29368.1966249206. The cubic root of 862490973 is about 951.8858101186.

The spelling of 862490973 in words is "eight hundred sixty-two million, four hundred ninety thousand, nine hundred seventy-three".