1409478 has 32 divisors (see below), whose sum is σ = 3312384. Its totient is φ = 391392.

The previous prime is 1409467. The next prime is 1409489. The reversal of 1409478 is 8749041.

It is an interprime number because it is at equal distance from previous prime (1409467) and next prime (1409489).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (103512).

2^1409478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656192).

1409478 is an abundant number, since it is smaller than the sum of its proper divisors (1902906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1409478 is a wasteful number, since it uses less digits than its factorization.

1409478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1409478 is about 1187.2143867053. The cubic root of 1409478 is about 112.1207774485.

The spelling of 1409478 in words is "one million, four hundred nine thousand, four hundred seventy-eight".