49403900 has 144 divisors (see below), whose sum is σ = 135616320. Its totient is φ = 15206400.

The previous prime is 49403891. The next prime is 49403903. The reversal of 49403900 is 930494.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49403903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555056 + ... + 555144.

It is an arithmetic number, because the mean of its divisors is an integer number (941780).

Almost surely, 2^49403900 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 49403900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67808160).

49403900 is an abundant number, since it is smaller than the sum of its proper divisors (86212420).

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

49403900 is a wasteful number, since it uses less digits than its factorization.

49403900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 49403900 is about 7028.7907921633. The cubic root of 49403900 is about 366.9332588309.

The spelling of 49403900 in words is "forty-nine million, four hundred three thousand, nine hundred".