489911402 has 4 divisors (see below), whose sum is σ = 734867106. Its totient is φ = 244955700.

The previous prime is 489911353. The next prime is 489911407. The reversal of 489911402 is 204119984.

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., 338596801 + 151314601 = 18401^2 + 12301^2 .

It is not an unprimeable number, because it can be changed into a prime (489911407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122477849 + ... + 122477852.

Almost surely, 2^489911402 is an apocalyptic number.

489911402 is a deficient number, since it is larger than the sum of its proper divisors (244955704).

489911402 is a wasteful number, since it uses less digits than its factorization.

489911402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244955703.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 489911402 is about 22133.9423058794. The cubic root of 489911402 is about 788.3259975847.

The spelling of 489911402 in words is "four hundred eighty-nine million, nine hundred eleven thousand, four hundred two".