1400322 has 48 divisors (see below), whose sum is σ = 3562272. Its totient is φ = 362880.

The previous prime is 1400303. The next prime is 1400327. The reversal of 1400322 is 2230041.

It is a junction number, because it is equal to n+sod(n) for n = 1400298 and 1400307.

It is not an unprimeable number, because it can be changed into a prime (1400327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3018 + ... + 3450.

It is an arithmetic number, because the mean of its divisors is an integer number (74214).

2^1400322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781136).

1400322 is an abundant number, since it is smaller than the sum of its proper divisors (2161950).

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

1400322 is a wasteful number, since it uses less digits than its factorization.

1400322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1400322 is about 1183.3520186318. The cubic root of 1400322 is about 111.8774701659.

Adding to 1400322 its reverse (2230041), we get a palindrome (3630363).

The spelling of 1400322 in words is "one million, four hundred thousand, three hundred twenty-two".