1385492 has 6 divisors (see below), whose sum is σ = 2424618. Its totient is φ = 692744.

The previous prime is 1385479. The next prime is 1385507. The reversal of 1385492 is 2945831.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 274576 = 1054^2 + 524^2 .

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 8⁶ + 5⁶ + 4² + 9² + 2²⁰ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173183 + ... + 173190.

It is an arithmetic number, because the mean of its divisors is an integer number (404103).

2^1385492 is an apocalyptic number.

It is an amenable number.

1385492 is a deficient number, since it is larger than the sum of its proper divisors (1039126).

1385492 is a wasteful number, since it uses less digits than its factorization.

1385492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346377 (or 346375 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 1385492 is about 1177.0692418036. The cubic root of 1385492 is about 111.4811245170.

The spelling of 1385492 in words is "one million, three hundred eighty-five thousand, four hundred ninety-two".