84249700 has 18 divisors (see below), whose sum is σ = 182822066. Its totient is φ = 33699840.

The previous prime is 84249691. The next prime is 84249719. The reversal of 84249700 is 794248.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17239104 + 67010596 = 4152^2 + 8186^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421149 + ... + 421348.

Almost surely, 2^84249700 is an apocalyptic number.

It is an amenable number.

84249700 is an abundant number, since it is smaller than the sum of its proper divisors (98572366).

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

84249700 is a wasteful number, since it uses less digits than its factorization.

84249700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842511 (or 842504 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 84249700 is about 9178.7635332870. The cubic root of 84249700 is about 438.3854394373.

The spelling of 84249700 in words is "eighty-four million, two hundred forty-nine thousand, seven hundred".