11938620 has 24 divisors (see below), whose sum is σ = 33428304. Its totient is φ = 3183616.

The previous prime is 11938603. The next prime is 11938643. The reversal of 11938620 is 2683911.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99429 + ... + 99548.

It is an arithmetic number, because the mean of its divisors is an integer number (1392846).

Almost surely, 2^11938620 is an apocalyptic number.

11938620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11938620 is an abundant number, since it is smaller than the sum of its proper divisors (21489684).

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

11938620 is a wasteful number, since it uses less digits than its factorization.

11938620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198989 (or 198987 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11938620 is about 3455.2308171814. The cubic root of 11938620 is about 228.5518335136.

The spelling of 11938620 in words is "eleven million, nine hundred thirty-eight thousand, six hundred twenty".