1369489 has 8 divisors (see below), whose sum is σ = 1559232. Its totient is φ = 1190640.

The previous prime is 1369483. The next prime is 1369499. The reversal of 1369489 is 9849631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1369489 - 2⁵ = 1369457 is a prime.

It is a super-2 number, since 2×1369489² = 3751000242242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (194904).

2^1369489 is an apocalyptic number.

It is an amenable number.

1369489 is a deficient number, since it is larger than the sum of its proper divisors (189743).

1369489 is a wasteful number, since it uses less digits than its factorization.

1369489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447.

The product of its digits is 46656, while the sum is 40.

The square root of 1369489 is about 1170.2516823316. The cubic root of 1369489 is about 111.0502437366.

The spelling of 1369489 in words is "one million, three hundred sixty-nine thousand, four hundred eighty-nine".