2278696 has 24 divisors (see below), whose sum is σ = 4970970. Its totient is φ = 976416.

The previous prime is 2278693. The next prime is 2278709. The reversal of 2278696 is 6968722.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 509796 = 1330^2 + 714^2 .

It is a d-powerful number, because it can be written as 2⁴ + 2¹² + 7⁵ + 8² + 6⁶ + 9⁶ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (2278691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2515 + ... + 3298.

2^2278696 is an apocalyptic number.

It is an amenable number.

2278696 is an abundant number, since it is smaller than the sum of its proper divisors (2692274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2278696 is a wasteful number, since it uses less digits than its factorization.

2278696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5822 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 2278696 is about 1509.5350277486. The cubic root of 2278696 is about 131.5917906453.

The spelling of 2278696 in words is "two million, two hundred seventy-eight thousand, six hundred ninety-six".