2277904 has 10 divisors (see below), whose sum is σ = 4413470. Its totient is φ = 1138944.

The previous prime is 2277901. The next prime is 2277907. The reversal of 2277904 is 4097722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2277901) and next prime (2277907).

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 204304 = 1440^2 + 452^2 .

It is not an unprimeable number, because it can be changed into a prime (2277901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71169 + ... + 71200.

It is an arithmetic number, because the mean of its divisors is an integer number (441347).

2^2277904 is an apocalyptic number.

It is an amenable number.

2277904 is a deficient number, since it is larger than the sum of its proper divisors (2135566).

2277904 is a wasteful number, since it uses less digits than its factorization.

2277904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142377 (or 142371 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2277904 is about 1509.2726725148. The cubic root of 2277904 is about 131.5765432150.

The spelling of 2277904 in words is "two million, two hundred seventy-seven thousand, nine hundred four".