1400215 has 8 divisors (see below), whose sum is σ = 1690128. Its totient is φ = 1113600.

The previous prime is 1400197. The next prime is 1400249. The reversal of 1400215 is 5120041.

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

It is not a de Polignac number, because 1400215 - 2¹⁵ = 1367447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400195 and 1400204.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 240 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (211266).

2^1400215 is an apocalyptic number.

1400215 is a deficient number, since it is larger than the sum of its proper divisors (289913).

1400215 is a wasteful number, since it uses less digits than its factorization.

1400215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1400215 is about 1183.3068072144. The cubic root of 1400215 is about 111.8746205370.

Adding to 1400215 its reverse (5120041), we get a palindrome (6520256).

The spelling of 1400215 in words is "one million, four hundred thousand, two hundred fifteen".