1401634 has 32 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 596160.

The previous prime is 1401629. The next prime is 1401641. The reversal of 1401634 is 4361041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29799 + ... + 29845.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2^1401634 is an apocalyptic number.

1401634 is a deficient number, since it is larger than the sum of its proper divisors (1049822).

1401634 is a wasteful number, since it uses less digits than its factorization.

1401634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130.

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

The square root of 1401634 is about 1183.9062462881. The cubic root of 1401634 is about 111.9123996138.

Adding to 1401634 its reverse (4361041), we get a palindrome (5762675).

The spelling of 1401634 in words is "one million, four hundred one thousand, six hundred thirty-four".