83438361 has 24 divisors (see below), whose sum is σ = 124238400. Its totient is φ = 53930016.

The previous prime is 83438359. The next prime is 83438389. The reversal of 83438361 is 16383438.

It is a happy number.

It is not a de Polignac number, because 83438361 - 2¹ = 83438359 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (83436361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56940 + ... + 58386.

It is an arithmetic number, because the mean of its divisors is an integer number (5176600).

Almost surely, 2^83438361 is an apocalyptic number.

It is an amenable number.

83438361 is a deficient number, since it is larger than the sum of its proper divisors (40800039).

83438361 is a wasteful number, since it uses less digits than its factorization.

83438361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1642 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 83438361 is about 9134.4600825665. The cubic root of 83438361 is about 436.9736555674.

The spelling of 83438361 in words is "eighty-three million, four hundred thirty-eight thousand, three hundred sixty-one".