83898537 has 8 divisors (see below), whose sum is σ = 115722240. Its totient is φ = 54003600.

The previous prime is 83898533. The next prime is 83898559. The reversal of 83898537 is 73589838.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83898537 - 2² = 83898533 is a prime.

It is a super-3 number, since 3×83898537³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83898537.

It is not an unprimeable number, because it can be changed into a prime (83898533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482089 + ... + 482262.

It is an arithmetic number, because the mean of its divisors is an integer number (14465280).

Almost surely, 2^83898537 is an apocalyptic number.

83898537 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

83898537 is a deficient number, since it is larger than the sum of its proper divisors (31823703).

83898537 is a wasteful number, since it uses less digits than its factorization.

83898537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964383.

The product of its digits is 1451520, while the sum is 51.

The square root of 83898537 is about 9159.6144569518. The cubic root of 83898537 is about 437.7755099478.

The spelling of 83898537 in words is "eighty-three million, eight hundred ninety-eight thousand, five hundred thirty-seven".