84624442 has 16 divisors (see below), whose sum is σ = 152706240. Its totient is φ = 34358688.

The previous prime is 84624437. The next prime is 84624443. The reversal of 84624442 is 24442648.

It is a super-2 number, since 2×84624442² = 14322592367622728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84624398 and 84624407.

It is not an unprimeable number, because it can be changed into a prime (84624443) 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 7 ways as a sum of consecutive naturals, for example, 158803 + ... + 159334.

It is an arithmetic number, because the mean of its divisors is an integer number (9544140).

Almost surely, 2^84624442 is an apocalyptic number.

84624442 is a deficient number, since it is larger than the sum of its proper divisors (68081798).

84624442 is a wasteful number, since it uses less digits than its factorization.

84624442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318165.

The product of its digits is 49152, while the sum is 34.

The square root of 84624442 is about 9199.1544176625. The cubic root of 84624442 is about 439.0344564359.

The spelling of 84624442 in words is "eighty-four million, six hundred twenty-four thousand, four hundred forty-two".