1390827 has 8 divisors (see below), whose sum is σ = 1869120. Its totient is φ = 919880.

The previous prime is 1390813. The next prime is 1390841. The reversal of 1390827 is 7280931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1390813) and next prime (1390841).

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 1390827 - 2⁷ = 1390699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1390794 and 1390803.

It is not an unprimeable number, because it can be changed into a prime (1390847) 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, 1377 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (233640).

2^1390827 is an apocalyptic number.

1390827 is a deficient number, since it is larger than the sum of its proper divisors (478293).

1390827 is a wasteful number, since it uses less digits than its factorization.

1390827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1390827 is about 1179.3332862257. Note that the first 3 decimals coincide. The cubic root of 1390827 is about 111.6240316434.

The spelling of 1390827 in words is "one million, three hundred ninety thousand, eight hundred twenty-seven".