1003969 has 8 divisors (see below), whose sum is σ = 1078920. Its totient is φ = 930816.

The previous prime is 1003963. The next prime is 1004027. The reversal of 1003969 is 9693001.

It is a happy number.

1003969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 497025 = 712^2 + 705^2 .

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 1003969 - 2⁷ = 1003841 is a prime.

It is a super-2 number, since 2×1003969² = 2015907505922, which contains 22 as substring.

It is a Duffinian number.

1003969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1003963) 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, 837 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (134865).

2^1003969 is an apocalyptic number.

It is an amenable number.

1003969 is a deficient number, since it is larger than the sum of its proper divisors (74951).

1003969 is an equidigital number, since it uses as much as digits as its factorization.

1003969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1003969 is about 1001.9825347779. The cubic root of 1003969 is about 100.1321253520.

It can be divided in two parts, 100 and 3969, that multiplied together give a square (396900 = 630²).

The spelling of 1003969 in words is "one million, three thousand, nine hundred sixty-nine".