2197534 has 8 divisors (see below), whose sum is σ = 3303000. Its totient is φ = 1096536.

The previous prime is 2197523. The next prime is 2197537. The reversal of 2197534 is 4357912.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2197496 and 2197505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (412875).

2^2197534 is an apocalyptic number.

2197534 is a deficient number, since it is larger than the sum of its proper divisors (1105466).

2197534 is a wasteful number, since it uses less digits than its factorization.

2197534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its digits is 7560, while the sum is 31.

The square root of 2197534 is about 1482.4081759084. The cubic root of 2197534 is about 130.0105316912.

The spelling of 2197534 in words is "two million, one hundred ninety-seven thousand, five hundred thirty-four".