1404997 has 4 divisors (see below), whose sum is σ = 1532736. Its totient is φ = 1277260.

The previous prime is 1404989. The next prime is 1405007. The reversal of 1404997 is 7994041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1404997 - 2³ = 1404989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404937) 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, 63853 + ... + 63874.

It is an arithmetic number, because the mean of its divisors is an integer number (383184).

2^1404997 is an apocalyptic number.

It is an amenable number.

1404997 is a deficient number, since it is larger than the sum of its proper divisors (127739).

1404997 is a wasteful number, since it uses less digits than its factorization.

1404997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127738.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1404997 is about 1185.3256936387. The cubic root of 1404997 is about 112.0018335159.

It can be divided in two parts, 1404 and 997, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1404997 in words is "one million, four hundred four thousand, nine hundred ninety-seven".