84454868 has 24 divisors (see below), whose sum is σ = 153889512. Its totient is φ = 40518144.

The previous prime is 84454847. The next prime is 84454889. The reversal of 84454868 is 86845448.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84454847) and next prime (84454889).

It can be written as a sum of positive squares in 4 ways, for example, as 6697744 + 77757124 = 2588^2 + 8818^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6896 + ... + 14712.

It is an arithmetic number, because the mean of its divisors is an integer number (6412063).

Almost surely, 2^84454868 is an apocalyptic number.

It is an amenable number.

84454868 is a deficient number, since it is larger than the sum of its proper divisors (69434644).

84454868 is a wasteful number, since it uses less digits than its factorization.

84454868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931 (or 7929 counting only the distinct ones).

The product of its digits is 983040, while the sum is 47.

The square root of 84454868 is about 9189.9329703758. The cubic root of 84454868 is about 438.7410084656.

The spelling of 84454868 in words is "eighty-four million, four hundred fifty-four thousand, eight hundred sixty-eight".