2169342 has 40 divisors (see below), whose sum is σ = 5558256. Its totient is φ = 619488.

The previous prime is 2169331. The next prime is 2169359. The reversal of 2169342 is 2439612.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 178 + ... + 2090.

2^2169342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2169342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2779128).

2169342 is an abundant number, since it is smaller than the sum of its proper divisors (3388914).

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

2169342 is a wasteful number, since it uses less digits than its factorization.

2169342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1925 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2169342 is about 1472.8686295797. The cubic root of 2169342 is about 129.4521719793.

The spelling of 2169342 in words is "two million, one hundred sixty-nine thousand, three hundred forty-two".