11633890 has 16 divisors (see below), whose sum is σ = 22043520. Its totient is φ = 4408560.

The previous prime is 11633879. The next prime is 11633891. The reversal of 11633890 is 9833611.

It is not an unprimeable number, because it can be changed into a prime (11633891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30426 + ... + 30805.

It is an arithmetic number, because the mean of its divisors is an integer number (1377720).

Almost surely, 2^11633890 is an apocalyptic number.

11633890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11633890 is a deficient number, since it is larger than the sum of its proper divisors (10409630).

11633890 is a wasteful number, since it uses less digits than its factorization.

11633890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61257.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 11633890 is about 3410.8488679506. The cubic root of 11633890 is about 226.5904756418.

The spelling of 11633890 in words is "eleven million, six hundred thirty-three thousand, eight hundred ninety".