49383940 has 12 divisors (see below), whose sum is σ = 103706316. Its totient is φ = 19753568.

The previous prime is 49383923. The next prime is 49383941. The reversal of 49383940 is 4938394.

It can be written as a sum of positive squares in 2 ways, for example, as 38638656 + 10745284 = 6216^2 + 3278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49383893 and 49383902.

It is not an unprimeable number, because it can be changed into a prime (49383941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234579 + ... + 1234618.

It is an arithmetic number, because the mean of its divisors is an integer number (8642193).

Almost surely, 2^49383940 is an apocalyptic number.

It is an amenable number.

49383940 is an abundant number, since it is smaller than the sum of its proper divisors (54322376).

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

49383940 is a wasteful number, since it uses less digits than its factorization.

49383940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469206 (or 2469204 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 49383940 is about 7027.3707743366. The cubic root of 49383940 is about 366.8838364546.

The spelling of 49383940 in words is "forty-nine million, three hundred eighty-three thousand, nine hundred forty".