1401346 has 4 divisors (see below), whose sum is σ = 2102022. Its totient is φ = 700672.

The previous prime is 1401319. The next prime is 1401349. The reversal of 1401346 is 6431041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6431041 = 877 ⋅7333.

It can be written as a sum of positive squares in only one way, i.e., 1125721 + 275625 = 1061^2 + 525^2 .

It is a super-2 number, since 2×1401346² = 3927541223432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350335 + ... + 350338.

2^1401346 is an apocalyptic number.

1401346 is a deficient number, since it is larger than the sum of its proper divisors (700676).

1401346 is an equidigital number, since it uses as much as digits as its factorization.

1401346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700675.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1401346 is about 1183.7846087866. The cubic root of 1401346 is about 111.9047340418.

Adding to 1401346 its reverse (6431041), we get a palindrome (7832387).

The spelling of 1401346 in words is "one million, four hundred one thousand, three hundred forty-six".