1993448924 has 24 divisors (see below), whose sum is σ = 3623198208. Its totient is φ = 958644720.

The previous prime is 1993448921. The next prime is 1993448927. The reversal of 1993448924 is 4298443991.

It is an interprime number because it is at equal distance from previous prime (1993448921) and next prime (1993448927).

It is a super-2 number, since 2×1993448924² = 7947677225193515552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993448921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29102 + ... + 69525.

It is an arithmetic number, because the mean of its divisors is an integer number (150966592).

Almost surely, 2^1993448924 is an apocalyptic number.

It is an amenable number.

1993448924 is a deficient number, since it is larger than the sum of its proper divisors (1629749284).

1993448924 is a wasteful number, since it uses less digits than its factorization.

1993448924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98825 (or 98823 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 1993448924 is about 44648.0562174883. The cubic root of 1993448924 is about 1258.5439054102.

The spelling of 1993448924 in words is "one billion, nine hundred ninety-three million, four hundred forty-eight thousand, nine hundred twenty-four".