83917238 has 4 divisors (see below), whose sum is σ = 125875860. Its totient is φ = 41958618.

The previous prime is 83917199. The next prime is 83917291. The reversal of 83917238 is 83271938.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83271938 = 2 ⋅41635969.

It is a junction number, because it is equal to n+sod(n) for n = 83917195 and 83917204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20979308 + ... + 20979311.

It is an arithmetic number, because the mean of its divisors is an integer number (31468965).

Almost surely, 2^83917238 is an apocalyptic number.

83917238 is a deficient number, since it is larger than the sum of its proper divisors (41958622).

83917238 is a wasteful number, since it uses less digits than its factorization.

83917238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41958621.

The product of its digits is 72576, while the sum is 41.

The square root of 83917238 is about 9160.6352399820. The cubic root of 83917238 is about 437.8080342797.

The spelling of 83917238 in words is "eighty-three million, nine hundred seventeen thousand, two hundred thirty-eight".