1426621 has 8 divisors (see below), whose sum is σ = 1701504. Its totient is φ = 1169520.

The previous prime is 1426619. The next prime is 1426627. The reversal of 1426621 is 1266241.

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 1426621 - 2¹ = 1426619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1426592 and 1426601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426627) 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, 4270 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (212688).

2^1426621 is an apocalyptic number.

It is an amenable number.

1426621 is a deficient number, since it is larger than the sum of its proper divisors (274883).

1426621 is an equidigital number, since it uses as much as digits as its factorization.

1426621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8891.

The product of its digits is 576, while the sum is 22.

The square root of 1426621 is about 1194.4124078391. The cubic root of 1426621 is about 112.5735091592.

The spelling of 1426621 in words is "one million, four hundred twenty-six thousand, six hundred twenty-one".