49000028 has 48 divisors (see below), whose sum is σ = 111573504. Its totient is φ = 18258240.

The previous prime is 49000027. The next prime is 49000033. The reversal of 49000028 is 82000094.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 48999967 and 49000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49000027) 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, 3626 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (2324448).

Almost surely, 2^49000028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49000028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55786752).

49000028 is an abundant number, since it is smaller than the sum of its proper divisors (62573476).

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

49000028 is a wasteful number, since it uses less digits than its factorization.

49000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 49000028 is about 7000.0019999997. The cubic root of 49000028 is about 365.9306407033.

The spelling of 49000028 in words is "forty-nine million, twenty-eight", and thus it is an aban number and an uban number.