84663458 has 12 divisors (see below), whose sum is σ = 139590150. Its totient is φ = 38483280.

The previous prime is 84663433. The next prime is 84663463. The reversal of 84663458 is 85436648.

It can be written as a sum of positive squares in only one way, i.e., 65011969 + 19651489 = 8063^2 + 4433^2 .

It is a super-2 number, since 2×84663458² = 14335802241035528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174683 + ... + 175166.

Almost surely, 2^84663458 is an apocalyptic number.

84663458 is a deficient number, since it is larger than the sum of its proper divisors (54926692).

84663458 is a wasteful number, since it uses less digits than its factorization.

84663458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349873 (or 349862 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 84663458 is about 9201.2748029825. The cubic root of 84663458 is about 439.1019181768.

It can be divided in two parts, 8 and 4663458, that multiplied together give a square (37307664 = 6108²).

The spelling of 84663458 in words is "eighty-four million, six hundred sixty-three thousand, four hundred fifty-eight".