1381592 has 16 divisors (see below), whose sum is σ = 2603040. Its totient is φ = 687456.

The previous prime is 1381559. The next prime is 1381609. The reversal of 1381592 is 2951831.

It is a super-3 number, since 3×1381592³ = 7911533733347480064, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (162690).

2^1381592 is an apocalyptic number.

It is an amenable number.

1381592 is a deficient number, since it is larger than the sum of its proper divisors (1221448).

1381592 is a wasteful number, since it uses less digits than its factorization.

1381592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 838 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 1381592 is about 1175.4114173344. The cubic root of 1381592 is about 111.3764240512.

It can be divided in two parts, 13 and 81592, that multiplied together give a triangular number (1060696 = T₁₄₅₆).

The spelling of 1381592 in words is "one million, three hundred eighty-one thousand, five hundred ninety-two".