1380933 has 6 divisors (see below), whose sum is σ = 1994694. Its totient is φ = 920616.

The previous prime is 1380931. The next prime is 1380947. The reversal of 1380933 is 3390831.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 19044 = 1167^2 + 138^2 .

It is not a de Polignac number, because 1380933 - 2¹ = 1380931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1380897 and 1380906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76710 + ... + 76727.

It is an arithmetic number, because the mean of its divisors is an integer number (332449).

2^1380933 is an apocalyptic number.

It is an amenable number.

1380933 is a deficient number, since it is larger than the sum of its proper divisors (613761).

1380933 is a wasteful number, since it uses less digits than its factorization.

1380933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153443 (or 153440 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1380933 is about 1175.1310565209. The cubic root of 1380933 is about 111.3587129044.

The spelling of 1380933 in words is "one million, three hundred eighty thousand, nine hundred thirty-three".