49338990 has 64 divisors (see below), whose sum is σ = 134809920. Its totient is φ = 12833280.

The previous prime is 49338983. The next prime is 49338997. The reversal of 49338990 is 9983394.

It is an interprime number because it is at equal distance from previous prime (49338983) and next prime (49338997).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49338997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8842 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (2106405).

Almost surely, 2^49338990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49338990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67404960).

49338990 is an abundant number, since it is smaller than the sum of its proper divisors (85470930).

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

49338990 is a wasteful number, since it uses less digits than its factorization.

49338990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514 (or 4508 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 49338990 is about 7024.1718373058. The cubic root of 49338990 is about 366.7724882811.

The spelling of 49338990 in words is "forty-nine million, three hundred thirty-eight thousand, nine hundred ninety".