2278846 has 4 divisors (see below), whose sum is σ = 3418272. Its totient is φ = 1139422.

The previous prime is 2278831. The next prime is 2278847. The reversal of 2278846 is 6488722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6488722 = 2 ⋅3244361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569710 + ... + 569713.

It is an arithmetic number, because the mean of its divisors is an integer number (854568).

2^2278846 is an apocalyptic number.

2278846 is a deficient number, since it is larger than the sum of its proper divisors (1139426).

2278846 is a wasteful number, since it uses less digits than its factorization.

2278846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139425.

The product of its digits is 43008, while the sum is 37.

The square root of 2278846 is about 1509.5847111043. The cubic root of 2278846 is about 131.5946780182.

The spelling of 2278846 in words is "two million, two hundred seventy-eight thousand, eight hundred forty-six".