85398973 has 8 divisors (see below), whose sum is σ = 98642880. Its totient is φ = 73068480.

The previous prime is 85398967. The next prime is 85398979. The reversal of 85398973 is 37989358.

It is an interprime number because it is at equal distance from previous prime (85398967) and next prime (85398979).

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

It is a cyclic number.

It is not a de Polignac number, because 85398973 - 2¹⁷ = 85267901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85398973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85398979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228153 + ... + 228526.

It is an arithmetic number, because the mean of its divisors is an integer number (12330360).

Almost surely, 2^85398973 is an apocalyptic number.

It is an amenable number.

85398973 is a deficient number, since it is larger than the sum of its proper divisors (13243907).

85398973 is a wasteful number, since it uses less digits than its factorization.

85398973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456707.

The product of its digits is 1632960, while the sum is 52.

The square root of 85398973 is about 9241.1564752470. The cubic root of 85398973 is about 440.3698216522.

The spelling of 85398973 in words is "eighty-five million, three hundred ninety-eight thousand, nine hundred seventy-three".