1087304 has 8 divisors (see below), whose sum is σ = 2038710. Its totient is φ = 543648.

The previous prime is 1087301. The next prime is 1087309. The reversal of 1087304 is 4037801.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 280900 = 898^2 + 530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1087304.

It is not an unprimeable number, because it can be changed into a prime (1087301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67949 + ... + 67964.

2^1087304 is an apocalyptic number.

It is an amenable number.

1087304 is a deficient number, since it is larger than the sum of its proper divisors (951406).

1087304 is a wasteful number, since it uses less digits than its factorization.

1087304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135919 (or 135915 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1087304 is about 1042.7387016890. The cubic root of 1087304 is about 102.8293274286.

The spelling of 1087304 in words is "one million, eighty-seven thousand, three hundred four".