11355390 has 48 divisors (see below), whose sum is σ = 30624048. Its totient is φ = 3027456.

The previous prime is 11355389. The next prime is 11355431. The reversal of 11355390 is 9355311.

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

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 23 ways as a sum of consecutive naturals, for example, 94 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (638001).

Almost surely, 2^11355390 is an apocalyptic number.

11355390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11355390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15312024).

11355390 is an abundant number, since it is smaller than the sum of its proper divisors (19268658).

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

11355390 is an equidigital number, since it uses as much as digits as its factorization.

11355390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 11355390 is about 3369.7759569443. The cubic root of 11355390 is about 224.7677603703.

The spelling of 11355390 in words is "eleven million, three hundred fifty-five thousand, three hundred ninety".