49870000 has 50 divisors (see below), whose sum is σ = 120764468. Its totient is φ = 19944000.

The previous prime is 49869991. The next prime is 49870033. The reversal of 49870000 is 7894.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7507 + ... + 12493.

Almost surely, 2^49870000 is an apocalyptic number.

49870000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49870000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60382234).

49870000 is an abundant number, since it is smaller than the sum of its proper divisors (70894468).

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

49870000 is an equidigital number, since it uses as much as digits as its factorization.

49870000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 49870000 is about 7061.8694408775. The cubic root of 49870000 is about 368.0835900221.

Adding to 49870000 its reverse (7894), we get a palindrome (49877894).

The spelling of 49870000 in words is "forty-nine million, eight hundred seventy thousand".