4365090 has 80 divisors (see below), whose sum is σ = 12466872. Its totient is φ = 1092096.

The previous prime is 4365089. The next prime is 4365103. The reversal of 4365090 is 905634.

It is a happy number.

4365090 is a `hidden beast` number, since 4 + 3 + 650 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3017169 + 1347921 = 1737^2 + 1161^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13612 + ... + 13928.

Almost surely, 2^4365090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4365090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6233436).

4365090 is an abundant number, since it is smaller than the sum of its proper divisors (8101782).

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

4365090 is a wasteful number, since it uses less digits than its factorization.

4365090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 344 counting only the distinct ones).

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

The square root of 4365090 is about 2089.2797802114. The cubic root of 4365090 is about 163.4297316092.

The spelling of 4365090 in words is "four million, three hundred sixty-five thousand, ninety".