83621026 has 16 divisors (see below), whose sum is σ = 127866240. Its totient is φ = 41006160.

The previous prime is 83620993. The next prime is 83621029. The reversal of 83621026 is 62012638.

It is a junction number, because it is equal to n+sod(n) for n = 83620985 and 83621003.

It is not an unprimeable number, because it can be changed into a prime (83621029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23121 + ... + 26491.

It is an arithmetic number, because the mean of its divisors is an integer number (7991640).

Almost surely, 2^83621026 is an apocalyptic number.

83621026 is a deficient number, since it is larger than the sum of its proper divisors (44245214).

83621026 is a wasteful number, since it uses less digits than its factorization.

83621026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83621026 is about 9144.4532914768. The cubic root of 83621026 is about 437.2923004323.

The spelling of 83621026 in words is "eighty-three million, six hundred twenty-one thousand, twenty-six".