495390 has 48 divisors (see below), whose sum is σ = 1387152. Its totient is φ = 112896.

The previous prime is 495389. The next prime is 495401. The reversal of 495390 is 93594.

It is a super-2 number, since 2×495390² = 490822504200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1302 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (28899).

2⁴⁹⁵³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693576).

495390 is an abundant number, since it is smaller than the sum of its proper divisors (891762).

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

495390 is a wasteful number, since it uses less digits than its factorization.

495390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 495390 is about 703.8394703340. The cubic root of 495390 is about 79.1253684262.

The spelling of 495390 in words is "four hundred ninety-five thousand, three hundred ninety".