84497650 has 24 divisors (see below), whose sum is σ = 166412340. Its totient is φ = 31810560.

The previous prime is 84497551. The next prime is 84497659. The reversal of 84497650 is 5679448.

It can be written as a sum of positive squares in 6 ways, for example, as 49463089 + 35034561 = 7033^2 + 5919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84497597 and 84497606.

It is not an unprimeable number, because it can be changed into a prime (84497659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48855 + ... + 50554.

Almost surely, 2^84497650 is an apocalyptic number.

84497650 is a deficient number, since it is larger than the sum of its proper divisors (81914690).

84497650 is a wasteful number, since it uses less digits than its factorization.

84497650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99438 (or 99433 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 84497650 is about 9192.2603313875. The cubic root of 84497650 is about 438.8150797800.

The spelling of 84497650 in words is "eighty-four million, four hundred ninety-seven thousand, six hundred fifty".