2097942 has 64 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 514080.

The previous prime is 2097941. The next prime is 2097959. The reversal of 2097942 is 2497902.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8659 + ... + 8897.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^2097942 is an apocalyptic number.

2097942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764800).

2097942 is an abundant number, since it is smaller than the sum of its proper divisors (3431658).

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

2097942 is a wasteful number, since it uses less digits than its factorization.

2097942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2097942 is about 1448.4274231041. The cubic root of 2097942 is about 128.0160705734.

The spelling of 2097942 in words is "two million, ninety-seven thousand, nine hundred forty-two".