489782402 has 6 divisors (see below), whose sum is σ = 734720553. Its totient is φ = 244875552.

The previous prime is 489782387. The next prime is 489782417. The reversal of 489782402 is 204287984.

It is an interprime number because it is at equal distance from previous prime (489782387) and next prime (489782417).

It can be written as a sum of positive squares in 2 ways, for example, as 427703761 + 62078641 = 20681^2 + 7879^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=15649.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23474 + ... + 39122.

Almost surely, 2^489782402 is an apocalyptic number.

489782402 is a deficient number, since it is larger than the sum of its proper divisors (244938151).

489782402 is an frugal number, since it uses more digits than its factorization.

489782402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31300 (or 15651 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 489782402 is about 22131.0280375766. The cubic root of 489782402 is about 788.2567993716.

The spelling of 489782402 in words is "four hundred eighty-nine million, seven hundred eighty-two thousand, four hundred two".