83497020 has 48 divisors (see below), whose sum is σ = 246099840. Its totient is φ = 21093696.

The previous prime is 83496991. The next prime is 83497103. The reversal of 83497020 is 2079438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35482 + ... + 37761.

It is an arithmetic number, because the mean of its divisors is an integer number (5127080).

Almost surely, 2^83497020 is an apocalyptic number.

It is an amenable number.

83497020 is an abundant number, since it is smaller than the sum of its proper divisors (162602820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83497020 is a wasteful number, since it uses less digits than its factorization.

83497020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73274 (or 73272 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 83497020 is about 9137.6703814484. The cubic root of 83497020 is about 437.0760322719.

The spelling of 83497020 in words is "eighty-three million, four hundred ninety-seven thousand, twenty".