11401992 has 64 divisors (see below), whose sum is σ = 36201600. Its totient is φ = 3257280.

The previous prime is 11401987. The next prime is 11402003. The reversal of 11401992 is 29910411.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 2259 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (565650).

Almost surely, 2^11401992 is an apocalyptic number.

11401992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11401992 is an abundant number, since it is smaller than the sum of its proper divisors (24799608).

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

11401992 is a wasteful number, since it uses less digits than its factorization.

11401992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11401992 is about 3376.6835800827. The cubic root of 11401992 is about 225.0748195618.

The spelling of 11401992 in words is "eleven million, four hundred one thousand, nine hundred ninety-two".