1623796 has 6 divisors (see below), whose sum is σ = 2841650. Its totient is φ = 811896.

The previous prime is 1623793. The next prime is 1623799. The reversal of 1623796 is 6973261.

It is an interprime number because it is at equal distance from previous prime (1623793) and next prime (1623799).

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 96100 = 1236^2 + 310^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202971 + ... + 202978.

2^1623796 is an apocalyptic number.

It is an amenable number.

1623796 is a deficient number, since it is larger than the sum of its proper divisors (1217854).

1623796 is a wasteful number, since it uses less digits than its factorization.

1623796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405953 (or 405951 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 1623796 is about 1274.2825432376. The cubic root of 1623796 is about 117.5376912431.

The spelling of 1623796 in words is "one million, six hundred twenty-three thousand, seven hundred ninety-six".