2097442 has 4 divisors (see below), whose sum is σ = 3146166. Its totient is φ = 1048720.

The previous prime is 2097427. The next prime is 2097449. The reversal of 2097442 is 2447902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1324801 + 772641 = 1151^2 + 879^2 .

It is a d-powerful number, because it can be written as 2 + 0 + 9 + 7 + 4² + 4⁴ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2097442.

It is not an unprimeable number, because it can be changed into a prime (2097449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524359 + ... + 524362.

2^2097442 is an apocalyptic number.

2097442 is a deficient number, since it is larger than the sum of its proper divisors (1048724).

2097442 is a wasteful number, since it uses less digits than its factorization.

2097442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048723.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2097442 is about 1448.2548118339. The cubic root of 2097442 is about 128.0058997932.

The spelling of 2097442 in words is "two million, ninety-seven thousand, four hundred forty-two".