49823904 has 144 divisors (see below), whose sum is σ = 147202272. Its totient is φ = 14736384.

The previous prime is 49823903. The next prime is 49823927. The reversal of 49823904 is 40932894.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (49823903) 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, 600247 + ... + 600329.

It is an arithmetic number, because the mean of its divisors is an integer number (1022238).

Almost surely, 2^49823904 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 49823904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73601136).

49823904 is an abundant number, since it is smaller than the sum of its proper divisors (97378368).

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

49823904 is a wasteful number, since it uses less digits than its factorization.

49823904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 49823904 is about 7058.6049613220. The cubic root of 49823904 is about 367.9701456562.

The spelling of 49823904 in words is "forty-nine million, eight hundred twenty-three thousand, nine hundred four".