4990000238 has 4 divisors (see below), whose sum is σ = 7485000360. Its totient is φ = 2495000118.

The previous prime is 4990000207. The next prime is 4990000241. The reversal of 4990000238 is 8320000994.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4990000198 and 4990000207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247500058 + ... + 1247500061.

It is an arithmetic number, because the mean of its divisors is an integer number (1871250090).

Almost surely, 2^4990000238 is an apocalyptic number.

4990000238 is a deficient number, since it is larger than the sum of its proper divisors (2495000122).

4990000238 is a wasteful number, since it uses less digits than its factorization.

4990000238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495000121.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 4990000238 is about 70639.9337343970. The cubic root of 4990000238 is about 1708.8352290452.

The spelling of 4990000238 in words is "four billion, nine hundred ninety million, two hundred thirty-eight", and thus it is an aban number.