83898937 has 4 divisors (see below), whose sum is σ = 84511476. Its totient is φ = 83286400.

The previous prime is 83898929. The next prime is 83898953. The reversal of 83898937 is 73989838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54479161 + 29419776 = 7381^2 + 5424^2 .

It is a cyclic number.

It is not a de Polignac number, because 83898937 - 2³ = 83898929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83898907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306064 + ... + 306337.

It is an arithmetic number, because the mean of its divisors is an integer number (21127869).

Almost surely, 2^83898937 is an apocalyptic number.

It is an amenable number.

83898937 is a deficient number, since it is larger than the sum of its proper divisors (612539).

83898937 is a wasteful number, since it uses less digits than its factorization.

83898937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612538.

The product of its digits is 2612736, while the sum is 55.

The square root of 83898937 is about 9159.6362919059. The cubic root of 83898937 is about 437.7762056688.

Subtracting from 83898937 its reverse (73989838), we obtain a palindrome (9909099).

The spelling of 83898937 in words is "eighty-three million, eight hundred ninety-eight thousand, nine hundred thirty-seven".