82986901 has 4 divisors (see below), whose sum is σ = 84347404. Its totient is φ = 81626400.

The previous prime is 82986899. The next prime is 82986941. The reversal of 82986901 is 10968928.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1102500 + 81884401 = 1050^2 + 9049^2 .

It is a cyclic number.

It is not a de Polignac number, because 82986901 - 2¹ = 82986899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82986941) 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, 680160 + ... + 680281.

It is an arithmetic number, because the mean of its divisors is an integer number (21086851).

Almost surely, 2^82986901 is an apocalyptic number.

It is an amenable number.

82986901 is a deficient number, since it is larger than the sum of its proper divisors (1360503).

82986901 is a wasteful number, since it uses less digits than its factorization.

82986901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360502.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 82986901 is about 9109.7146497571. The cubic root of 82986901 is about 436.1841186435.

The spelling of 82986901 in words is "eighty-two million, nine hundred eighty-six thousand, nine hundred one".