11929938 has 8 divisors (see below), whose sum is σ = 23859888. Its totient is φ = 3976644.

The previous prime is 11929927. The next prime is 11929949. The reversal of 11929938 is 83992911.

It is an interprime number because it is at equal distance from previous prime (11929927) and next prime (11929949).

It is a sphenic number, since it is the product of 3 distinct primes.

11929938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11929938.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994156 + ... + 994167.

It is an arithmetic number, because the mean of its divisors is an integer number (2982486).

Almost surely, 2^11929938 is an apocalyptic number.

11929938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11929938 is a wasteful number, since it uses less digits than its factorization.

11929938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988328.

The product of its digits is 34992, while the sum is 42.

The square root of 11929938 is about 3453.9742326775. The cubic root of 11929938 is about 228.4964176108.

The spelling of 11929938 in words is "eleven million, nine hundred twenty-nine thousand, nine hundred thirty-eight".