14293890 has 96 divisors (see below), whose sum is σ = 42194880. Its totient is φ = 3328128.

The previous prime is 14293861. The next prime is 14293891. The reversal of 14293890 is 9839241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14293891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21909 + ... + 22551.

It is an arithmetic number, because the mean of its divisors is an integer number (439530).

Almost surely, 2^14293890 is an apocalyptic number.

14293890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14293890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21097440).

14293890 is an abundant number, since it is smaller than the sum of its proper divisors (27900990).

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

14293890 is a wasteful number, since it uses less digits than its factorization.

14293890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 14293890 is about 3780.7261207340. The cubic root of 14293890 is about 242.6890296415.

The spelling of 14293890 in words is "fourteen million, two hundred ninety-three thousand, eight hundred ninety".