2840296 has 8 divisors (see below), whose sum is σ = 5325570. Its totient is φ = 1420144.

The previous prime is 2840281. The next prime is 2840303. The reversal of 2840296 is 6920482.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 324900 = 1586^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177511 + ... + 177526.

2^2840296 is an apocalyptic number.

It is an amenable number.

2840296 is a deficient number, since it is larger than the sum of its proper divisors (2485274).

2840296 is a wasteful number, since it uses less digits than its factorization.

2840296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355043 (or 355039 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2840296 is about 1685.3177741898. The cubic root of 2840296 is about 141.6188947729.

It can be divided in two parts, 2840 and 296, that added together give a square (3136 = 56²).

The spelling of 2840296 in words is "two million, eight hundred forty thousand, two hundred ninety-six".