2197438 has 16 divisors (see below), whose sum is σ = 3415104. Its totient is φ = 1059840.

The previous prime is 2197427. The next prime is 2197453. The reversal of 2197438 is 8347912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8998 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

2^2197438 is an apocalyptic number.

2197438 is a deficient number, since it is larger than the sum of its proper divisors (1217666).

2197438 is a wasteful number, since it uses less digits than its factorization.

2197438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 12096, while the sum is 34.

The square root of 2197438 is about 1482.3757958089. The cubic root of 2197438 is about 130.0086384792.

The spelling of 2197438 in words is "two million, one hundred ninety-seven thousand, four hundred thirty-eight".