84426250 has 80 divisors (see below), whose sum is σ = 174600360. Its totient is φ = 30464000.

The previous prime is 84426247. The next prime is 84426269. The reversal of 84426250 is 5262448.

It can be written as a sum of positive squares in 20 ways, for example, as 17497489 + 66928761 = 4183^2 + 8181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 616182 + ... + 616318.

Almost surely, 2^84426250 is an apocalyptic number.

84426250 is an abundant number, since it is smaller than the sum of its proper divisors (90174110).

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

84426250 is a wasteful number, since it uses less digits than its factorization.

84426250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 84426250 is about 9188.3758085964. The cubic root of 84426250 is about 438.6914462597.

Adding to 84426250 its reverse (5262448), we get a palindrome (89688698).

The spelling of 84426250 in words is "eighty-four million, four hundred twenty-six thousand, two hundred fifty".