80434590 has 32 divisors (see below), whose sum is σ = 194122656. Its totient is φ = 21329280.

The previous prime is 80434589. The next prime is 80434597. The reversal of 80434590 is 9543408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80434597) 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, 1977 + ... + 12836.

It is an arithmetic number, because the mean of its divisors is an integer number (6066333).

Almost surely, 2^80434590 is an apocalyptic number.

80434590 is an abundant number, since it is smaller than the sum of its proper divisors (113688066).

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

80434590 is a wasteful number, since it uses less digits than its factorization.

80434590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004.

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

The square root of 80434590 is about 8968.5333249088. The cubic root of 80434590 is about 431.6657758678.

Adding to 80434590 its reverse (9543408), we get a palindrome (89977998).

The spelling of 80434590 in words is "eighty million, four hundred thirty-four thousand, five hundred ninety".