1393630 has 32 divisors (see below), whose sum is σ = 2939904. Its totient is φ = 465696.

The previous prime is 1393627. The next prime is 1393633. The reversal of 1393630 is 363931.

1393630 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (1393627) and next prime (1393633).

It is a junction number, because it is equal to n+sod(n) for n = 1393595 and 1393604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393633) 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, 2779 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (91872).

2^1393630 is an apocalyptic number.

1393630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1393630 is an abundant number, since it is smaller than the sum of its proper divisors (1546274).

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

1393630 is a wasteful number, since it uses less digits than its factorization.

1393630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 1393630 is about 1180.5210713918. The cubic root of 1393630 is about 111.6989684033.

The spelling of 1393630 in words is "one million, three hundred ninety-three thousand, six hundred thirty".