489569396 has 6 divisors (see below), whose sum is σ = 856746450. Its totient is φ = 244784696.

The previous prime is 489569389. The next prime is 489569407. The reversal of 489569396 is 693965984.

It can be written as a sum of positive squares in only one way, i.e., 465696400 + 23872996 = 21580^2 + 4886^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61196171 + ... + 61196178.

It is an arithmetic number, because the mean of its divisors is an integer number (142791075).

Almost surely, 2^489569396 is an apocalyptic number.

It is an amenable number.

489569396 is a deficient number, since it is larger than the sum of its proper divisors (367177054).

489569396 is a wasteful number, since it uses less digits than its factorization.

489569396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122392353 (or 122392351 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 59.

The square root of 489569396 is about 22126.2151304736. The cubic root of 489569396 is about 788.1425120381.

The spelling of 489569396 in words is "four hundred eighty-nine million, five hundred sixty-nine thousand, three hundred ninety-six".