83652621 has 24 divisors (see below), whose sum is σ = 122853024. Its totient is φ = 50331360.

The previous prime is 83652581. The next prime is 83652643. The reversal of 83652621 is 12625638.

It is not a de Polignac number, because 83652621 - 2⁶ = 83652557 is a prime.

It is a super-2 number, since 2×83652621² = 13995522000339282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83652661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85666 + ... + 86636.

It is an arithmetic number, because the mean of its divisors is an integer number (5118876).

Almost surely, 2^83652621 is an apocalyptic number.

It is an amenable number.

83652621 is a deficient number, since it is larger than the sum of its proper divisors (39200403).

83652621 is a wasteful number, since it uses less digits than its factorization.

83652621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1034 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 83652621 is about 9146.1806782941. The cubic root of 83652621 is about 437.3473683627.

The spelling of 83652621 in words is "eighty-three million, six hundred fifty-two thousand, six hundred twenty-one".