1390835 has 8 divisors (see below), whose sum is σ = 1708080. Its totient is φ = 1086624.

The previous prime is 1390813. The next prime is 1390841. The reversal of 1390835 is 5380931.

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 1390835 - 2⁶ = 1390771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1390798 and 1390807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020 + ... + 3449.

It is an arithmetic number, because the mean of its divisors is an integer number (213510).

2^1390835 is an apocalyptic number.

1390835 is a deficient number, since it is larger than the sum of its proper divisors (317245).

1390835 is an equidigital number, since it uses as much as digits as its factorization.

1390835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1390835 is about 1179.3366779677. The cubic root of 1390835 is about 111.6242456624.

The spelling of 1390835 in words is "one million, three hundred ninety thousand, eight hundred thirty-five".