1620832 has 12 divisors (see below), whose sum is σ = 3191076. Its totient is φ = 810400.

The previous prime is 1620823. The next prime is 1620841. The reversal of 1620832 is 2380261.

It is an interprime number because it is at equal distance from previous prime (1620823) and next prime (1620841).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25294 + ... + 25357.

It is an arithmetic number, because the mean of its divisors is an integer number (265923).

2^1620832 is an apocalyptic number.

It is an amenable number.

1620832 is a deficient number, since it is larger than the sum of its proper divisors (1570244).

1620832 is an equidigital number, since it uses as much as digits as its factorization.

1620832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50661 (or 50653 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1620832 is about 1273.1190046496. The cubic root of 1620832 is about 117.4661317809.

The spelling of 1620832 in words is "one million, six hundred twenty thousand, eight hundred thirty-two".