11632428 has 18 divisors (see below), whose sum is σ = 29404284. Its totient is φ = 3877464.

The previous prime is 11632417. The next prime is 11632441. The reversal of 11632428 is 82423611.

11632428 is a `hidden beast` number, since 1 + 1 + 632 + 4 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161526 + ... + 161597.

Almost surely, 2^11632428 is an apocalyptic number.

11632428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11632428 is an abundant number, since it is smaller than the sum of its proper divisors (17771856).

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

11632428 is a wasteful number, since it uses less digits than its factorization.

11632428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323133 (or 323128 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 11632428 is about 3410.6345450664. The cubic root of 11632428 is about 226.5809835701.

The spelling of 11632428 in words is "eleven million, six hundred thirty-two thousand, four hundred twenty-eight".