11430380 has 24 divisors (see below), whose sum is σ = 25850832. Its totient is φ = 4220352.

The previous prime is 11430371. The next prime is 11430421. The reversal of 11430380 is 8303411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21722 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (1077118).

Almost surely, 2^11430380 is an apocalyptic number.

11430380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430380 is an abundant number, since it is smaller than the sum of its proper divisors (14420452).

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

11430380 is a wasteful number, since it uses less digits than its factorization.

11430380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43985 (or 43983 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11430380 is about 3380.8844996539. The cubic root of 11430380 is about 225.2614573771.

Adding to 11430380 its reverse (8303411), we get a palindrome (19733791).

The spelling of 11430380 in words is "eleven million, four hundred thirty thousand, three hundred eighty".