84466440 has 48 divisors (see below), whose sum is σ = 274517100. Its totient is φ = 22524288.

The previous prime is 84466433. The next prime is 84466463. The reversal of 84466440 is 4466448.

84466440 is a `hidden beast` number, since 8 + 4 + 4 + 6 + 644 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82410084 + 2056356 = 9078^2 + 1434^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 84466395 and 84466404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116955 + ... + 117674.

Almost surely, 2^84466440 is an apocalyptic number.

It is an amenable number.

84466440 is an abundant number, since it is smaller than the sum of its proper divisors (190050660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84466440 is a wasteful number, since it uses less digits than its factorization.

84466440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234646 (or 234639 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 84466440 is about 9190.5625507909. The cubic root of 84466440 is about 438.7610463043.

The spelling of 84466440 in words is "eighty-four million, four hundred sixty-six thousand, four hundred forty".