11424402 has 48 divisors (see below), whose sum is σ = 28016352. Its totient is φ = 3460320.

The previous prime is 11424389. The next prime is 11424433. The reversal of 11424402 is 20442411.

It is a super-2 number, since 2×11424402² = 261033922115208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4278 + ... + 6414.

It is an arithmetic number, because the mean of its divisors is an integer number (583674).

Almost surely, 2^11424402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11424402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14008176).

11424402 is an abundant number, since it is smaller than the sum of its proper divisors (16591950).

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

11424402 is a wasteful number, since it uses less digits than its factorization.

11424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 11424402 is about 3380.0002958580. Note that the first 3 decimals coincide. The cubic root of 11424402 is about 225.2221805314. Note that the first 3 decimals are identical.

Adding to 11424402 its reverse (20442411), we get a palindrome (31866813).

Subtracting 11424402 from its reverse (20442411), we obtain a square (9018009 = 3003²).

The spelling of 11424402 in words is "eleven million, four hundred twenty-four thousand, four hundred two".