49836390 has 64 divisors (see below), whose sum is σ = 123152832. Its totient is φ = 12902400.

The previous prime is 49836389. The next prime is 49836407. The reversal of 49836390 is 9363894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206670 + ... + 206910.

It is an arithmetic number, because the mean of its divisors is an integer number (1924263).

Almost surely, 2^49836390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49836390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61576416).

49836390 is an abundant number, since it is smaller than the sum of its proper divisors (73316442).

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

49836390 is a wasteful number, since it uses less digits than its factorization.

49836390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 49836390 is about 7059.4893583035. The cubic root of 49836390 is about 368.0008811809. Note that the first 3 decimals are identical.

The spelling of 49836390 in words is "forty-nine million, eight hundred thirty-six thousand, three hundred ninety".