1396930 has 16 divisors (see below), whose sum is σ = 2601720. Its totient is φ = 539392.

The previous prime is 1396909. The next prime is 1396939. The reversal of 1396930 is 396931.

It can be written as a sum of positive squares in 4 ways, for example, as 829921 + 567009 = 911^2 + 753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1396892 and 1396901.

It is not an unprimeable number, because it can be changed into a prime (1396939) 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, 2119 + ... + 2698.

2^1396930 is an apocalyptic number.

1396930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396930 is a deficient number, since it is larger than the sum of its proper divisors (1204790).

1396930 is a wasteful number, since it uses less digits than its factorization.

1396930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1396930 is about 1181.9179328532. The cubic root of 1396930 is about 111.7870635301.

Subtracting from 1396930 its reverse (396931), we obtain a palindrome (999999).

It can be divided in two parts, 13969 and 30, that multiplied together give a triangular number (419070 = T₉₁₅).

The spelling of 1396930 in words is "one million, three hundred ninety-six thousand, nine hundred thirty".