365490 has 48 divisors (see below), whose sum is σ = 988416. Its totient is φ = 93600.

The previous prime is 365489. The next prime is 365507. The reversal of 365490 is 94563.

It is a happy number.

365490 is a `hidden beast` number, since 3 + 654 + 9 + 0 = 666.

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365490.

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, 2725 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (20592).

365490 is a Friedman number, since it can be written as 90*(4^6-35), using all its digits and the basic arithmetic operations.

2³⁶⁵⁴⁹⁰ is an apocalyptic number.

365490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 365490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494208).

365490 is an abundant number, since it is smaller than the sum of its proper divisors (622926).

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

365490 is a wasteful number, since it uses less digits than its factorization.

365490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 365490 is about 604.5576895549. The cubic root of 365490 is about 71.4976607708.

The spelling of 365490 in words is "three hundred sixty-five thousand, four hundred ninety".