489469402 has 4 divisors (see below), whose sum is σ = 734204106. Its totient is φ = 244734700.

The previous prime is 489469399. The next prime is 489469433. The reversal of 489469402 is 204964984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 384591321 + 104878081 = 19611^2 + 10241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122367349 + ... + 122367352.

Almost surely, 2^489469402 is an apocalyptic number.

489469402 is a deficient number, since it is larger than the sum of its proper divisors (244734704).

489469402 is a wasteful number, since it uses less digits than its factorization.

489469402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244734703.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 489469402 is about 22123.9553877692. The cubic root of 489469402 is about 788.0888493098.

The spelling of 489469402 in words is "four hundred eighty-nine million, four hundred sixty-nine thousand, four hundred two".