2906197 has 4 divisors (see below), whose sum is σ = 3321376. Its totient is φ = 2491020.

The previous prime is 2906179. The next prime is 2906207. The reversal of 2906197 is 7916092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2906197 - 2¹⁹ = 2381909 is a prime.

It is a Duffinian number.

2906197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906147) 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, 207579 + ... + 207592.

It is an arithmetic number, because the mean of its divisors is an integer number (830344).

2^2906197 is an apocalyptic number.

It is an amenable number.

2906197 is a deficient number, since it is larger than the sum of its proper divisors (415179).

2906197 is an equidigital number, since it uses as much as digits as its factorization.

2906197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415178.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2906197 is about 1704.7571674582. The cubic root of 2906197 is about 142.7058193364.

The spelling of 2906197 in words is "two million, nine hundred six thousand, one hundred ninety-seven".