1395616 has 12 divisors (see below), whose sum is σ = 2747682. Its totient is φ = 697792.

The previous prime is 1395613. The next prime is 1395623. The reversal of 1395616 is 6165931.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 355216 = 1020^2 + 596^2 .

It is not an unprimeable number, because it can be changed into a prime (1395613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21775 + ... + 21838.

2^1395616 is an apocalyptic number.

1395616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1395616 is a deficient number, since it is larger than the sum of its proper divisors (1352066).

1395616 is an equidigital number, since it uses as much as digits as its factorization.

1395616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43623 (or 43615 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 1395616 is about 1181.3619259143. The cubic root of 1395616 is about 111.7520022930.

The spelling of 1395616 in words is "one million, three hundred ninety-five thousand, six hundred sixteen".