1366424 has 16 divisors (see below), whose sum is σ = 2587200. Its totient is φ = 676512.

The previous prime is 1366397. The next prime is 1366427. The reversal of 1366424 is 4246631.

It is a super-2 number, since 2×1366424² = 3734229095552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1366393 and 1366402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (161700).

2^1366424 is an apocalyptic number.

It is an amenable number.

1366424 is a deficient number, since it is larger than the sum of its proper divisors (1220776).

1366424 is a wasteful number, since it uses less digits than its factorization.

1366424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1678 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1366424 is about 1168.9414014398. The cubic root of 1366424 is about 110.9673361131.

The spelling of 1366424 in words is "one million, three hundred sixty-six thousand, four hundred twenty-four".