618492 has 48 divisors (see below), whose sum is σ = 1702400. Its totient is φ = 171072.

The previous prime is 618463. The next prime is 618509. The reversal of 618492 is 294816.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 618492.

It is an unprimeable number.

618492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3009 + ... + 3207.

2⁶¹⁸⁴⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851200).

618492 is an abundant number, since it is smaller than the sum of its proper divisors (1083908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618492 is a wasteful number, since it uses less digits than its factorization.

618492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 248 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 618492 is about 786.4426234634. The cubic root of 618492 is about 85.2010006715.

The spelling of 618492 in words is "six hundred eighteen thousand, four hundred ninety-two".