83590401 has 4 divisors (see below), whose sum is σ = 111453872. Its totient is φ = 55726932.

The previous prime is 83590399. The next prime is 83590417. The reversal of 83590401 is 10409538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 83590401 - 2¹ = 83590399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83590421) 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, 13931731 + ... + 13931736.

It is an arithmetic number, because the mean of its divisors is an integer number (27863468).

Almost surely, 2^83590401 is an apocalyptic number.

It is an amenable number.

83590401 is a deficient number, since it is larger than the sum of its proper divisors (27863471).

83590401 is a wasteful number, since it uses less digits than its factorization.

83590401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27863470.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 83590401 is about 9142.7786257789. The cubic root of 83590401 is about 437.2389099054.

Adding to 83590401 its reverse (10409538), we get a palindrome (93999939).

The spelling of 83590401 in words is "eighty-three million, five hundred ninety thousand, four hundred one".