1400304 has 20 divisors (see below), whose sum is σ = 3617576. Its totient is φ = 466752.

The previous prime is 1400303. The next prime is 1400327. The reversal of 1400304 is 4030041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14539 + ... + 14634.

2^1400304 is an apocalyptic number.

It is an amenable number.

1400304 is an abundant number, since it is smaller than the sum of its proper divisors (2217272).

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

1400304 is a wasteful number, since it uses less digits than its factorization.

1400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29184 (or 29178 counting only the distinct ones).

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

The square root of 1400304 is about 1183.3444130937. The cubic root of 1400304 is about 111.8769907992.

Adding to 1400304 its reverse (4030041), we get a palindrome (5430345).

The spelling of 1400304 in words is "one million, four hundred thousand, three hundred four".