84946408 has 8 divisors (see below), whose sum is σ = 159274530. Its totient is φ = 42473200.

The previous prime is 84946403. The next prime is 84946427. The reversal of 84946408 is 80464948.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83868964 + 1077444 = 9158^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (84946403) 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 as a sum of consecutive naturals, namely, 5309143 + ... + 5309158.

Almost surely, 2^84946408 is an apocalyptic number.

84946408 is the 4927-th centered heptagonal number.

It is an amenable number.

84946408 is a deficient number, since it is larger than the sum of its proper divisors (74328122).

84946408 is a wasteful number, since it uses less digits than its factorization.

84946408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618307 (or 10618303 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 84946408 is about 9216.6375647521. The cubic root of 84946408 is about 439.5905419471.

The spelling of 84946408 in words is "eighty-four million, nine hundred forty-six thousand, four hundred eight".