4990093906 has 32 divisors (see below), whose sum is σ = 8658616320. Its totient is φ = 2112714576.

The previous prime is 4990093903. The next prime is 4990093909. The reversal of 4990093906 is 6093900994.

It is an interprime number because it is at equal distance from previous prime (4990093903) and next prime (4990093909).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4990093906.

It is not an unprimeable number, because it can be changed into a prime (4990093903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419071 + ... + 430813.

It is an arithmetic number, because the mean of its divisors is an integer number (270581760).

Almost surely, 2^4990093906 is an apocalyptic number.

4990093906 is a deficient number, since it is larger than the sum of its proper divisors (3668522414).

4990093906 is a wasteful number, since it uses less digits than its factorization.

4990093906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 4990093906 is about 70640.5967273777. The cubic root of 4990093906 is about 1708.8459212409.

The spelling of 4990093906 in words is "four billion, nine hundred ninety million, ninety-three thousand, nine hundred six".