2287504 has 10 divisors (see below), whose sum is σ = 4432070. Its totient is φ = 1143744.

The previous prime is 2287501. The next prime is 2287507. The reversal of 2287504 is 4057822.

2287504 = T₃₆₂ + T₃₆₃ + ... + T₃₉₃.

It is an interprime number because it is at equal distance from previous prime (2287501) and next prime (2287507).

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 960400 = 1152^2 + 980^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2287501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71469 + ... + 71500.

It is an arithmetic number, because the mean of its divisors is an integer number (443207).

2^2287504 is an apocalyptic number.

It is an amenable number.

2287504 is a deficient number, since it is larger than the sum of its proper divisors (2144566).

2287504 is a wasteful number, since it uses less digits than its factorization.

2287504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142977 (or 142971 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2287504 is about 1512.4496685840. The cubic root of 2287504 is about 131.7611229143.

The spelling of 2287504 in words is "two million, two hundred eighty-seven thousand, five hundred four".