1842097621 has 24 divisors (see below), whose sum is σ = 2314685184. Its totient is φ = 1457310960.

The previous prime is 1842097619. The next prime is 1842097667. The reversal of 1842097621 is 1267902481.

It is not a de Polignac number, because 1842097621 - 2¹ = 1842097619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842097681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214276 + ... + 222706.

It is an arithmetic number, because the mean of its divisors is an integer number (96445216).

Almost surely, 2^1842097621 is an apocalyptic number.

It is an amenable number.

1842097621 is a deficient number, since it is larger than the sum of its proper divisors (472587563).

1842097621 is an frugal number, since it uses more digits than its factorization.

1842097621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479 (or 8451 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1842097621 is about 42919.6647354100. The cubic root of 1842097621 is about 1225.8506092216.

The spelling of 1842097621 in words is "one billion, eight hundred forty-two million, ninety-seven thousand, six hundred twenty-one".