80449364 has 12 divisors (see below), whose sum is σ = 145641300. Its totient is φ = 38837568.

The previous prime is 80449361. The next prime is 80449367. The reversal of 80449364 is 46394408.

It is an interprime number because it is at equal distance from previous prime (80449361) and next prime (80449367).

It can be written as a sum of positive squares in 2 ways, for example, as 48413764 + 32035600 = 6958^2 + 5660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80449361) 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, 346649 + ... + 346880.

It is an arithmetic number, because the mean of its divisors is an integer number (12136775).

Almost surely, 2^80449364 is an apocalyptic number.

It is an amenable number.

80449364 is a deficient number, since it is larger than the sum of its proper divisors (65191936).

80449364 is a wasteful number, since it uses less digits than its factorization.

80449364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693562 (or 693560 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 80449364 is about 8969.3569446198. The cubic root of 80449364 is about 431.6922033030.

The spelling of 80449364 in words is "eighty million, four hundred forty-nine thousand, three hundred sixty-four".