49107900 has 72 divisors (see below), whose sum is σ = 150459120. Its totient is φ = 12323840.

The previous prime is 49107881. The next prime is 49107907. The reversal of 49107900 is 970194.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49107907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286 + ... + 9914.

It is an arithmetic number, because the mean of its divisors is an integer number (2089710).

Almost surely, 2^49107900 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 49107900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75229560).

49107900 is an abundant number, since it is smaller than the sum of its proper divisors (101351220).

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

49107900 is a wasteful number, since it uses less digits than its factorization.

49107900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663 (or 9656 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 49107900 is about 7007.7029046614. The cubic root of 49107900 is about 366.1989721063.

The spelling of 49107900 in words is "forty-nine million, one hundred seven thousand, nine hundred".