2940197 has 4 divisors (see below), whose sum is σ = 3166380. Its totient is φ = 2714016.

The previous prime is 2940187. The next prime is 2940229. The reversal of 2940197 is 7910492.

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

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 2563201 = 614^2 + 1601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2940197 - 2⁸ = 2939941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940127) 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, 113072 + ... + 113097.

It is an arithmetic number, because the mean of its divisors is an integer number (791595).

2^2940197 is an apocalyptic number.

It is an amenable number.

2940197 is a deficient number, since it is larger than the sum of its proper divisors (226183).

2940197 is a wasteful number, since it uses less digits than its factorization.

2940197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226182.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2940197 is about 1714.7002653525. The cubic root of 2940197 is about 143.2601747923.

The spelling of 2940197 in words is "two million, nine hundred forty thousand, one hundred ninety-seven".