1404069 has 8 divisors (see below), whose sum is σ = 1878240. Its totient is φ = 932976.

The previous prime is 1404061. The next prime is 1404071. The reversal of 1404069 is 9604041.

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

It is not a de Polignac number, because 1404069 - 2³ = 1404061 is a prime.

It is a super-2 number, since 2×1404069² = 3942819513522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (234780).

2^1404069 is an apocalyptic number.

It is an amenable number.

1404069 is a deficient number, since it is larger than the sum of its proper divisors (474171).

1404069 is a wasteful number, since it uses less digits than its factorization.

1404069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1404069 is about 1184.9341753870. The cubic root of 1404069 is about 111.9771690282.

The spelling of 1404069 in words is "one million, four hundred four thousand, sixty-nine".