1390359 has 4 divisors (see below), whose sum is σ = 1853816. Its totient is φ = 926904.

The previous prime is 1390357. The next prime is 1390369. The reversal of 1390359 is 9530931.

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

It is not a de Polignac number, because 1390359 - 2¹ = 1390357 is a prime.

It is a D-number.

It is a Duffinian number.

1390359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390357) 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, 231724 + ... + 231729.

It is an arithmetic number, because the mean of its divisors is an integer number (463454).

2^1390359 is an apocalyptic number.

1390359 is a deficient number, since it is larger than the sum of its proper divisors (463457).

1390359 is an equidigital number, since it uses as much as digits as its factorization.

1390359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463456.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 1390359 is about 1179.1348523388. The cubic root of 1390359 is about 111.6115100987.

The spelling of 1390359 in words is "one million, three hundred ninety thousand, three hundred fifty-nine".