11920458 has 32 divisors (see below), whose sum is σ = 26262720. Its totient is φ = 3576960.

The previous prime is 11920453. The next prime is 11920459. The reversal of 11920458 is 85402911.

It is a happy number.

11920458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11920453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6366 + ... + 8022.

It is an arithmetic number, because the mean of its divisors is an integer number (820710).

Almost surely, 2^11920458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11920458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13131360).

11920458 is an abundant number, since it is smaller than the sum of its proper divisors (14342262).

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

11920458 is a wasteful number, since it uses less digits than its factorization.

11920458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11920458 is about 3452.6016277584. The cubic root of 11920458 is about 228.4358774789.

The spelling of 11920458 in words is "eleven million, nine hundred twenty thousand, four hundred fifty-eight".