2239797 has 8 divisors (see below), whose sum is σ = 3413056. Its totient is φ = 1279872.

The previous prime is 2239793. The next prime is 2239807. The reversal of 2239797 is 7979322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2239797 - 2² = 2239793 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3⁷ + 9² + 7³ + 9⁴ + 7⁴ .

It is a Duffinian number.

2239797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53308 + ... + 53349.

It is an arithmetic number, because the mean of its divisors is an integer number (426632).

2^2239797 is an apocalyptic number.

It is an amenable number.

2239797 is a deficient number, since it is larger than the sum of its proper divisors (1173259).

2239797 is a wasteful number, since it uses less digits than its factorization.

2239797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106667.

The product of its digits is 47628, while the sum is 39.

The square root of 2239797 is about 1496.5951356329. The cubic root of 2239797 is about 130.8386997497.

The spelling of 2239797 in words is "two million, two hundred thirty-nine thousand, seven hundred ninety-seven".