49399416 has 128 divisors (see below), whose sum is σ = 158630400. Its totient is φ = 14077440.

The previous prime is 49399409. The next prime is 49399417. The reversal of 49399416 is 61499394.

It is a super-2 number, since 2×49399416² = 4880604602282112, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49399417) 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, 39781 + ... + 41003.

It is an arithmetic number, because the mean of its divisors is an integer number (1239300).

Almost surely, 2^49399416 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 49399416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79315200).

49399416 is an abundant number, since it is smaller than the sum of its proper divisors (109230984).

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

49399416 is a wasteful number, since it uses less digits than its factorization.

49399416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1256 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 49399416 is about 7028.4718111407. The cubic root of 49399416 is about 366.9221572882.

The spelling of 49399416 in words is "forty-nine million, three hundred ninety-nine thousand, four hundred sixteen".