489098438 has 4 divisors (see below), whose sum is σ = 733647660. Its totient is φ = 244549218.

The previous prime is 489098431. The next prime is 489098447. The reversal of 489098438 is 834890984.

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

It is a self number, because there is not a number n which added to its sum of digits gives 489098438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489098431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122274608 + ... + 122274611.

It is an arithmetic number, because the mean of its divisors is an integer number (183411915).

Almost surely, 2^489098438 is an apocalyptic number.

489098438 is a deficient number, since it is larger than the sum of its proper divisors (244549222).

489098438 is a wasteful number, since it uses less digits than its factorization.

489098438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244549221.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 489098438 is about 22115.5700356107. The cubic root of 489098438 is about 787.8897040865.

The spelling of 489098438 in words is "four hundred eighty-nine million, ninety-eight thousand, four hundred thirty-eight".