1401008 has 30 divisors (see below), whose sum is σ = 3159396. Its totient is φ = 600096.
The previous prime is 1401007. The next prime is 1401017. The reversal of 1401008 is 8001041.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a nialpdrome in base 11.
It is a junction number, because it is equal to n+sod(n) for n = 1400983 and 1401001.
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 5 ways as a sum of consecutive naturals, for example, 110 + ... + 1677.
21401008 is an apocalyptic number.
It is an amenable number.
1401008 is an abundant number, since it is smaller than the sum of its proper divisors (1758388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1401008 is a wasteful number, since it uses less digits than its factorization.
1401008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1809 (or 1796 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 1401008 is about 1183.6418377195. The cubic root of 1401008 is about 111.8957363017.
Adding to 1401008 its reverse (8001041), we get a palindrome (9402049).
The spelling of 1401008 in words is "one million, four hundred one thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •