489402734 has 4 divisors (see below), whose sum is σ = 734104104. Its totient is φ = 244701366.

The previous prime is 489402721. The next prime is 489402743. The reversal of 489402734 is 437204984.

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

It is a junction number, because it is equal to n+sod(n) for n = 489402691 and 489402700.

It is a congruent number.

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, 122350682 + ... + 122350685.

It is an arithmetic number, because the mean of its divisors is an integer number (183526026).

Almost surely, 2^489402734 is an apocalyptic number.

489402734 is a deficient number, since it is larger than the sum of its proper divisors (244701370).

489402734 is a wasteful number, since it uses less digits than its factorization.

489402734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244701369.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 489402734 is about 22122.4486438550. The cubic root of 489402734 is about 788.0530672345.

The spelling of 489402734 in words is "four hundred eighty-nine million, four hundred two thousand, seven hundred thirty-four".