1383409 has 8 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 1233216.

The previous prime is 1383401. The next prime is 1383433. The reversal of 1383409 is 9043831.

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

It is a cyclic number.

It is not a de Polignac number, because 1383409 - 2³ = 1383401 is a prime.

It is a super-2 number, since 2×1383409² = 3827640922562, which contains 22 as substring.

1383409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1383401) 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, 1819 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

2^1383409 is an apocalyptic number.

1383409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1383409 is a deficient number, since it is larger than the sum of its proper divisors (158831).

1383409 is a wasteful number, since it uses less digits than its factorization.

1383409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1383409 is about 1176.1840842317. The cubic root of 1383409 is about 111.4252282113.

The spelling of 1383409 in words is "one million, three hundred eighty-three thousand, four hundred nine".