49699380 has 96 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 12728320.

The previous prime is 49699289. The next prime is 49699387. The reversal of 49699380 is 8399694.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49699387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218827 + ... + 219053.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 2^49699380 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 49699380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72394560).

49699380 is an abundant number, since it is smaller than the sum of its proper divisors (95089740).

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

49699380 is a wasteful number, since it uses less digits than its factorization.

49699380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 49699380 is about 7049.7787199316. The cubic root of 49699380 is about 367.6633361590.

The spelling of 49699380 in words is "forty-nine million, six hundred ninety-nine thousand, three hundred eighty".