2897270 has 8 divisors (see below), whose sum is σ = 5215104. Its totient is φ = 1158904.

The previous prime is 2897269. The next prime is 2897273. The reversal of 2897270 is 727982.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2897270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897273) 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, 144854 + ... + 144873.

It is an arithmetic number, because the mean of its divisors is an integer number (651888).

2^2897270 is an apocalyptic number.

2897270 is a deficient number, since it is larger than the sum of its proper divisors (2317834).

2897270 is a wasteful number, since it uses less digits than its factorization.

2897270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289734.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2897270 is about 1702.1368922622. The cubic root of 2897270 is about 142.5595524147.

The spelling of 2897270 in words is "two million, eight hundred ninety-seven thousand, two hundred seventy".