84234537 has 12 divisors (see below), whose sum is σ = 121789044. Its totient is φ = 56102400.

The previous prime is 84234529. The next prime is 84234551. The reversal of 84234537 is 73543248.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37161216 + 47073321 = 6096^2 + 6861^2 .

It is not a de Polignac number, because 84234537 - 2³ = 84234529 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (84234637) 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, 6913 + ... + 14705.

It is an arithmetic number, because the mean of its divisors is an integer number (10149087).

Almost surely, 2^84234537 is an apocalyptic number.

It is an amenable number.

84234537 is a deficient number, since it is larger than the sum of its proper divisors (37554507).

84234537 is a wasteful number, since it uses less digits than its factorization.

84234537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000 (or 8997 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 84234537 is about 9177.9375134068. The cubic root of 84234537 is about 438.3591381083.

It can be divided in two parts, 8423453 and 7, that added together give a triangular number (8423460 = T₄₁₀₄).

The spelling of 84234537 in words is "eighty-four million, two hundred thirty-four thousand, five hundred thirty-seven".