1390296 has 32 divisors (see below), whose sum is σ = 3544560. Its totient is φ = 454272.

The previous prime is 1390283. The next prime is 1390297. The reversal of 1390296 is 6920931.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726 + ... + 1818.

2^1390296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772280).

1390296 is an abundant number, since it is smaller than the sum of its proper divisors (2154264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1390296 is a wasteful number, since it uses less digits than its factorization.

1390296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1390296 is about 1179.1081375345. The cubic root of 1390296 is about 111.6098242915.

It can be divided in two parts, 13 and 90296, that added together give a palindrome (90309).

The spelling of 1390296 in words is "one million, three hundred ninety thousand, two hundred ninety-six".