1987224 has 32 divisors (see below), whose sum is σ = 5130240. Its totient is φ = 640800.

The previous prime is 1987217. The next prime is 1987231. The reversal of 1987224 is 4227891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1987217) and next prime (1987231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (160320).

2^1987224 is an apocalyptic number.

It is an amenable number.

1987224 is an abundant number, since it is smaller than the sum of its proper divisors (3143016).

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

1987224 is a wasteful number, since it uses less digits than its factorization.

1987224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711 (or 2707 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1987224 is about 1409.6893274761. The cubic root of 1987224 is about 125.7232525088.

It can be divided in two parts, 1987 and 224, that added together give a triangular number (2211 = T₆₆).

The spelling of 1987224 in words is "one million, nine hundred eighty-seven thousand, two hundred twenty-four".