1405626 has 8 divisors (see below), whose sum is σ = 2811264. Its totient is φ = 468540.

The previous prime is 1405597. The next prime is 1405631. The reversal of 1405626 is 6265041.

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

1405626 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1405596 and 1405605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117130 + ... + 117141.

It is an arithmetic number, because the mean of its divisors is an integer number (351408).

2^1405626 is an apocalyptic number.

1405626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1405626 is a wasteful number, since it uses less digits than its factorization.

1405626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234276.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1405626 is about 1185.5909918686. The cubic root of 1405626 is about 112.0185449734.

The spelling of 1405626 in words is "one million, four hundred five thousand, six hundred twenty-six".