1401004 has 24 divisors (see below), whose sum is σ = 2833488. Its totient is φ = 599040.

The previous prime is 1400989. The next prime is 1401007. The reversal of 1401004 is 4001041.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1401007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 1684.

It is an arithmetic number, because the mean of its divisors is an integer number (118062).

2^1401004 is an apocalyptic number.

It is an amenable number.

1401004 is an abundant number, since it is smaller than the sum of its proper divisors (1432484).

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

1401004 is a wasteful number, since it uses less digits than its factorization.

1401004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1401004 is about 1183.6401480180. The cubic root of 1401004 is about 111.8956298109.

Adding to 1401004 its reverse (4001041), we get a palindrome (5402045).

The spelling of 1401004 in words is "one million, four hundred one thousand, four".