3457197 has 6 divisors (see below), whose sum is σ = 4993742. Its totient is φ = 2304792.

The previous prime is 3457193. The next prime is 3457217. The reversal of 3457197 is 7917543.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3437316 + 19881 = 1854^2 + 141^2 .

It is not a de Polignac number, because 3457197 - 2² = 3457193 is a prime.

It is a super-2 number, since 2×3457197² = 23904422193618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192058 + ... + 192075.

Almost surely, 2^3457197 is an apocalyptic number.

It is an amenable number.

3457197 is a deficient number, since it is larger than the sum of its proper divisors (1536545).

3457197 is a wasteful number, since it uses less digits than its factorization.

3457197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384139 (or 384136 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 3457197 is about 1859.3539200486. The cubic root of 3457197 is about 151.2079791288.

The spelling of 3457197 in words is "three million, four hundred fifty-seven thousand, one hundred ninety-seven".