2840396 has 12 divisors (see below), whose sum is σ = 5353152. Its totient is φ = 1310928.

The previous prime is 2840393. The next prime is 2840417. The reversal of 2840396 is 6930482.

2840396 is a modest number, since divided by 396 gives 284 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840393) 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, 27260 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (446096).

2^2840396 is an apocalyptic number.

2840396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2840396 is a deficient number, since it is larger than the sum of its proper divisors (2512756).

2840396 is a wasteful number, since it uses less digits than its factorization.

2840396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54640 (or 54638 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2840396 is about 1685.3474419241. The cubic root of 2840396 is about 141.6205567738.

The spelling of 2840396 in words is "two million, eight hundred forty thousand, three hundred ninety-six".