4821620394 has 16 divisors (see below), whose sum is σ = 9674053632. Its totient is φ = 1602071328.

The previous prime is 4821620383. The next prime is 4821620467. The reversal of 4821620394 is 4930261284.

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, 1281834 + ... + 1285589.

It is an arithmetic number, because the mean of its divisors is an integer number (604628352).

Almost surely, 2^4821620394 is an apocalyptic number.

4821620394 is an abundant number, since it is smaller than the sum of its proper divisors (4852433238).

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

4821620394 is a wasteful number, since it uses less digits than its factorization.

4821620394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567741.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 4821620394 is about 69437.8887495868. Note that the first 3 decimals coincide. The cubic root of 4821620394 is about 1689.3942244920.

The spelling of 4821620394 in words is "four billion, eight hundred twenty-one million, six hundred twenty thousand, three hundred ninety-four".