1620192 has 48 divisors (see below), whose sum is σ = 4862592. Its totient is φ = 462720.

The previous prime is 1620161. The next prime is 1620209. The reversal of 1620192 is 2910261.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (101304).

2^1620192 is an apocalyptic number.

1620192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1620192 is an abundant number, since it is smaller than the sum of its proper divisors (3242400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1620192 is a wasteful number, since it uses less digits than its factorization.

1620192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1620192 is about 1272.8676286244. The cubic root of 1620192 is about 117.4506688949.

The spelling of 1620192 in words is "one million, six hundred twenty thousand, one hundred ninety-two".