1426641 has 8 divisors (see below), whose sum is σ = 1908000. Its totient is φ = 948192.

The previous prime is 1426627. The next prime is 1426643. The reversal of 1426641 is 1466241.

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

It is not a de Polignac number, because 1426641 - 2⁹ = 1426129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426643) 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, 1021 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (238500).

2^1426641 is an apocalyptic number.

It is an amenable number.

1426641 is a deficient number, since it is larger than the sum of its proper divisors (481359).

1426641 is an equidigital number, since it uses as much as digits as its factorization.

1426641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its digits is 1152, while the sum is 24.

The square root of 1426641 is about 1194.4207801273. The cubic root of 1426641 is about 112.5740352180.

The spelling of 1426641 in words is "one million, four hundred twenty-six thousand, six hundred forty-one".