84264999 has 16 divisors (see below), whose sum is σ = 138281472. Its totient is φ = 44447328.

The previous prime is 84264991. The next prime is 84265067. The reversal of 84264999 is 99946248.

It is a happy number.

It is not a de Polignac number, because 84264999 - 2³ = 84264991 is a prime.

It is a super-3 number, since 3×84264999³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84264991) 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 15 ways as a sum of consecutive naturals, for example, 154059 + ... + 154604.

It is an arithmetic number, because the mean of its divisors is an integer number (8642592).

Almost surely, 2^84264999 is an apocalyptic number.

84264999 is a deficient number, since it is larger than the sum of its proper divisors (54016473).

84264999 is a wasteful number, since it uses less digits than its factorization.

84264999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308686.

The product of its digits is 1119744, while the sum is 51.

The square root of 84264999 is about 9179.5968865741. The cubic root of 84264999 is about 438.4119734701.

The spelling of 84264999 in words is "eighty-four million, two hundred sixty-four thousand, nine hundred ninety-nine".