84921795 has 48 divisors (see below), whose sum is σ = 169041600. Its totient is φ = 38633472.

The previous prime is 84921787. The next prime is 84921797. The reversal of 84921795 is 59712948.

It is not a de Polignac number, because 84921795 - 2³ = 84921787 is a prime.

It is a super-2 number, since 2×84921795² = 14423422532044050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 84921795.

It is not an unprimeable number, because it can be changed into a prime (84921797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80431 + ... + 81479.

It is an arithmetic number, because the mean of its divisors is an integer number (3521700).

Almost surely, 2^84921795 is an apocalyptic number.

84921795 is a deficient number, since it is larger than the sum of its proper divisors (84119805).

84921795 is a wasteful number, since it uses less digits than its factorization.

84921795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1321 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 84921795 is about 9215.3022196779. The cubic root of 84921795 is about 439.5480811085.

The spelling of 84921795 in words is "eighty-four million, nine hundred twenty-one thousand, seven hundred ninety-five".