1380824 has 8 divisors (see below), whose sum is σ = 2589060. Its totient is φ = 690408.

The previous prime is 1380817. The next prime is 1380853. The reversal of 1380824 is 4280831.

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

It is a junction number, because it is equal to n+sod(n) for n = 1380793 and 1380802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86294 + ... + 86309.

2^1380824 is an apocalyptic number.

It is an amenable number.

1380824 is a deficient number, since it is larger than the sum of its proper divisors (1208236).

1380824 is a wasteful number, since it uses less digits than its factorization.

1380824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172609 (or 172605 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1380824 is about 1175.0846777999. The cubic root of 1380824 is about 111.3557829000.

The spelling of 1380824 in words is "one million, three hundred eighty thousand, eight hundred twenty-four".