1400011 has 8 divisors (see below), whose sum is σ = 1450800. Its totient is φ = 1350240.

The previous prime is 1399999. The next prime is 1400017. The reversal of 1400011 is 1100041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400011 - 2⁷ = 1399883 is a prime.

It is a Duffinian number.

1400011 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1399967 and 1400003.

It is not an unprimeable number, because it can be changed into a prime (1400017) 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, 3405 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (181350).

2^1400011 is an apocalyptic number.

1400011 is a deficient number, since it is larger than the sum of its proper divisors (50789).

1400011 is an equidigital number, since it uses as much as digits as its factorization.

1400011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1400011 is about 1183.2206049592. The cubic root of 1400011 is about 111.8691871973.

Adding to 1400011 its reverse (1100041), we get a palindrome (2500052).

The spelling of 1400011 in words is "one million, four hundred thousand, eleven".