1994876620 has 24 divisors (see below), whose sum is σ = 4570081488. Its totient is φ = 725409600.

The previous prime is 1994876617. The next prime is 1994876627. The reversal of 1994876620 is 266784991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1994876627) 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, 4533591 + ... + 4534030.

It is an arithmetic number, because the mean of its divisors is an integer number (190420062).

Almost surely, 2^1994876620 is an apocalyptic number.

1994876620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994876620 is an abundant number, since it is smaller than the sum of its proper divisors (2575204868).

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

1994876620 is a wasteful number, since it uses less digits than its factorization.

1994876620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9067641 (or 9067639 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1994876620 is about 44664.0416890366. The cubic root of 1994876620 is about 1258.8442875422.

The spelling of 1994876620 in words is "one billion, nine hundred ninety-four million, eight hundred seventy-six thousand, six hundred twenty".