1601426 has 8 divisors (see below), whose sum is σ = 2408304. Its totient is φ = 798660.

The previous prime is 1601423. The next prime is 1601441. The reversal of 1601426 is 6241061.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1601398 and 1601407.

It is not an unprimeable number, because it can be changed into a prime (1601423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (301038).

2^1601426 is an apocalyptic number.

1601426 is a deficient number, since it is larger than the sum of its proper divisors (806878).

1601426 is a wasteful number, since it uses less digits than its factorization.

1601426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1601426 is about 1265.4746145222. The cubic root of 1601426 is about 116.9954462883.

Adding to 1601426 its reverse (6241061), we get a palindrome (7842487).

The spelling of 1601426 in words is "one million, six hundred one thousand, four hundred twenty-six".