84804731 has 4 divisors (see below), whose sum is σ = 92514264. Its totient is φ = 77095200.

The previous prime is 84804697. The next prime is 84804739. The reversal of 84804731 is 13740848.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84804731 - 2⁶ = 84804667 is a prime.

It is a super-2 number, since 2×84804731² = 14383684799964722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84804691 and 84804700.

It is not an unprimeable number, because it can be changed into a prime (84804739) 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, 3854750 + ... + 3854771.

It is an arithmetic number, because the mean of its divisors is an integer number (23128566).

Almost surely, 2^84804731 is an apocalyptic number.

84804731 is a deficient number, since it is larger than the sum of its proper divisors (7709533).

84804731 is a wasteful number, since it uses less digits than its factorization.

84804731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709532.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 84804731 is about 9208.9484198794. The cubic root of 84804731 is about 439.3460170869.

The spelling of 84804731 in words is "eighty-four million, eight hundred four thousand, seven hundred thirty-one".