1396810 has 8 divisors (see below), whose sum is σ = 2514276. Its totient is φ = 558720.

The previous prime is 1396789. The next prime is 1396817. The reversal of 1396810 is 186931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 117649 = 1131^2 + 343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1396810² = 3902156352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1396817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69831 + ... + 69850.

2^1396810 is an apocalyptic number.

1396810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396810 is a deficient number, since it is larger than the sum of its proper divisors (1117466).

1396810 is a wasteful number, since it uses less digits than its factorization.

1396810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139688.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1396810 is about 1181.8671668170. The cubic root of 1396810 is about 111.7838625031.

The spelling of 1396810 in words is "one million, three hundred ninety-six thousand, eight hundred ten".