3834938890 has 12 divisors (see below), whose sum is σ = 6903242514. Its totient is φ = 1533897224.

The previous prime is 3834938881. The next prime is 3834938893. The reversal of 3834938890 is 988394383.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3451445001 + 383493889 = 58749^2 + 19583^2 .

It is not an unprimeable number, because it can be changed into a prime (3834938893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186039 + ... + 205621.

Almost surely, 2^3834938890 is an apocalyptic number.

3834938890 is a deficient number, since it is larger than the sum of its proper divisors (3068303624).

3834938890 is an frugal number, since it uses more digits than its factorization.

3834938890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39173 (or 19590 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The square root of 3834938890 is about 61926.8834190774. The cubic root of 3834938890 is about 1565.2587826171.

The spelling of 3834938890 in words is "three billion, eight hundred thirty-four million, nine hundred thirty-eight thousand, eight hundred ninety".