1393490 has 32 divisors (see below), whose sum is σ = 3037824. Its totient is φ = 449280.

The previous prime is 1393489. The next prime is 1393493. The reversal of 1393490 is 943931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1393493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (94932).

2^1393490 is an apocalyptic number.

1393490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1393490 is an abundant number, since it is smaller than the sum of its proper divisors (1644334).

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

1393490 is a wasteful number, since it uses less digits than its factorization.

1393490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1393490 is about 1180.4617740528. The cubic root of 1393490 is about 111.6952279606.

The spelling of 1393490 in words is "one million, three hundred ninety-three thousand, four hundred ninety".