2278953 has 12 divisors (see below), whose sum is σ = 3306420. Its totient is φ = 1512576.

The previous prime is 2278949. The next prime is 2278961. The reversal of 2278953 is 3598722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 1447209 = 912^2 + 1203^2 .

It is not a de Polignac number, because 2278953 - 2² = 2278949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2413 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (275535).

2^2278953 is an apocalyptic number.

It is an amenable number.

2278953 is a deficient number, since it is larger than the sum of its proper divisors (1027467).

2278953 is a wasteful number, since it uses less digits than its factorization.

2278953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1125 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2278953 is about 1509.6201508989. The cubic root of 2278953 is about 131.5967376002.

It can be divided in two parts, 227 and 8953, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 2278953 in words is "two million, two hundred seventy-eight thousand, nine hundred fifty-three".