1390338 has 16 divisors (see below), whose sum is σ = 3089760. Its totient is φ = 463428.

The previous prime is 1390331. The next prime is 1390339. The reversal of 1390338 is 8330931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1390331) 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, 12820 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (193110).

2^1390338 is an apocalyptic number.

1390338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1390338 is an abundant number, since it is smaller than the sum of its proper divisors (1699422).

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

1390338 is a wasteful number, since it uses less digits than its factorization.

1390338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25758 (or 25752 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1390338 is about 1179.1259474713. The cubic root of 1390338 is about 111.6109481686.

It can be divided in two parts, 1390 and 338, that added together give a cube (1728 = 12³).

The spelling of 1390338 in words is "one million, three hundred ninety thousand, three hundred thirty-eight".