1994702424 has 96 divisors (see below), whose sum is σ = 5903061360. Its totient is φ = 557948160.

The previous prime is 1994702417. The next prime is 1994702461. The reversal of 1994702424 is 4242074991.

It is a super-2 number, since 2×1994702424² = 7957675520622951552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11334 + ... + 64170.

Almost surely, 2^1994702424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994702424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2951530680).

1994702424 is an abundant number, since it is smaller than the sum of its proper divisors (3908358936).

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

1994702424 is a wasteful number, since it uses less digits than its factorization.

1994702424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52881 (or 52866 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1994702424 is about 44662.0915766380. The cubic root of 1994702424 is about 1258.8076450050.

The spelling of 1994702424 in words is "one billion, nine hundred ninety-four million, seven hundred two thousand, four hundred twenty-four".