82089401 has 16 divisors (see below), whose sum is σ = 87436800. Its totient is φ = 76939968.

The previous prime is 82089389. The next prime is 82089409. The reversal of 82089401 is 10498028.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82089401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82089409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311996 + ... + 312258.

It is an arithmetic number, because the mean of its divisors is an integer number (5464800).

Almost surely, 2^82089401 is an apocalyptic number.

It is an amenable number.

82089401 is a deficient number, since it is larger than the sum of its proper divisors (5347399).

82089401 is a wasteful number, since it uses less digits than its factorization.

82089401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 82089401 is about 9060.3201378318. The cubic root of 82089401 is about 434.6059778137.

The spelling of 82089401 in words is "eighty-two million, eighty-nine thousand, four hundred one".