1409969 has 8 divisors (see below), whose sum is σ = 1605312. Its totient is φ = 1225840.

The previous prime is 1409957. The next prime is 1409977. The reversal of 1409969 is 9699041.

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

It is not a de Polignac number, because 1409969 - 2⁸ = 1409713 is a prime.

It is a super-2 number, since 2×1409969² = 3976025161922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409999) 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, 2534 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (200664).

2^1409969 is an apocalyptic number.

It is an amenable number.

1409969 is a deficient number, since it is larger than the sum of its proper divisors (195343).

1409969 is a wasteful number, since it uses less digits than its factorization.

1409969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1409969 is about 1187.4211552773. The cubic root of 1409969 is about 112.1337952490.

The spelling of 1409969 in words is "one million, four hundred nine thousand, nine hundred sixty-nine".