84231450 has 36 divisors (see below), whose sum is σ = 226303038. Its totient is φ = 22461600.

The previous prime is 84231439. The next prime is 84231461. The reversal of 84231450 is 5413248.

It is an interprime number because it is at equal distance from previous prime (84231439) and next prime (84231461).

It can be written as a sum of positive squares in 3 ways, for example, as 38303721 + 45927729 = 6189^2 + 6777^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 93141 + ... + 94040.

Almost surely, 2^84231450 is an apocalyptic number.

84231450 is an abundant number, since it is smaller than the sum of its proper divisors (142071588).

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

84231450 is a wasteful number, since it uses less digits than its factorization.

84231450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187199 (or 187191 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 84231450 is about 9177.7693368269. The cubic root of 84231450 is about 438.3537830950.

Adding to 84231450 its reverse (5413248), we get a palindrome (89644698).

It can be divided in two parts, 84231 and 450, that added together give a square (84681 = 291²).

The spelling of 84231450 in words is "eighty-four million, two hundred thirty-one thousand, four hundred fifty".