1390269 has 16 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 887040.

The previous prime is 1390253. The next prime is 1390283. The reversal of 1390269 is 9620931.

It is not a de Polignac number, because 1390269 - 2⁴ = 1390253 is a prime.

It is a super-2 number, since 2×1390269² = 3865695784722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10884 + ... + 11010.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^1390269 is an apocalyptic number.

It is an amenable number.

1390269 is a deficient number, since it is larger than the sum of its proper divisors (545091).

1390269 is a wasteful number, since it uses less digits than its factorization.

1390269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1390269 is about 1179.0966881473. The cubic root of 1390269 is about 111.6091017872.

The spelling of 1390269 in words is "one million, three hundred ninety thousand, two hundred sixty-nine".