11401434 has 48 divisors (see below), whose sum is σ = 27293760. Its totient is φ = 3410880.

The previous prime is 11401427. The next prime is 11401447. The reversal of 11401434 is 43410411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17299 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (568620).

Almost surely, 2^11401434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11401434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13646880).

11401434 is an abundant number, since it is smaller than the sum of its proper divisors (15892326).

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

11401434 is a wasteful number, since it uses less digits than its factorization.

11401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 11401434 is about 3376.6009536219. The cubic root of 11401434 is about 225.0711478701.

Adding to 11401434 its reverse (43410411), we get a palindrome (54811845).

The spelling of 11401434 in words is "eleven million, four hundred one thousand, four hundred thirty-four".