1400827 has 4 divisors (see below), whose sum is σ = 1410256. Its totient is φ = 1391400.

The previous prime is 1400821. The next prime is 1400863. The reversal of 1400827 is 7280041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400827 - 2¹¹ = 1398779 is a prime.

It is a Duffinian number.

1400827 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1400798 and 1400807.

It is not an unprimeable number, because it can be changed into a prime (1400821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4488 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (352564).

2^1400827 is an apocalyptic number.

1400827 is a deficient number, since it is larger than the sum of its proper divisors (9429).

1400827 is an equidigital number, since it uses as much as digits as its factorization.

1400827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1400827 is about 1183.5653763101. The cubic root of 1400827 is about 111.8909173902.

Adding to 1400827 its reverse (7280041), we get a palindrome (8680868).

The spelling of 1400827 in words is "one million, four hundred thousand, eight hundred twenty-seven".