1404634 has 24 divisors (see below), whose sum is σ = 2675808. Its totient is φ = 546840.

The previous prime is 1404617. The next prime is 1404643. The reversal of 1404634 is 4364041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (111492).

2^1404634 is an apocalyptic number.

1404634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1404634 is a deficient number, since it is larger than the sum of its proper divisors (1271174).

1404634 is a wasteful number, since it uses less digits than its factorization.

1404634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1404634 is about 1185.1725612754. The cubic root of 1404634 is about 111.9921869550.

Adding to 1404634 its reverse (4364041), we get a palindrome (5768675).

It can be divided in two parts, 140 and 4634, that added together give a palindrome (4774).

The spelling of 1404634 in words is "one million, four hundred four thousand, six hundred thirty-four".