49797408 has 96 divisors (see below), whose sum is σ = 139829760. Its totient is φ = 15482880.

The previous prime is 49797389. The next prime is 49797409. The reversal of 49797408 is 80479794.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49797409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86016 + ... + 86592.

It is an arithmetic number, because the mean of its divisors is an integer number (1456560).

Almost surely, 2^49797408 is an apocalyptic number.

49797408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49797408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69914880).

49797408 is an abundant number, since it is smaller than the sum of its proper divisors (90032352).

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

49797408 is a wasteful number, since it uses less digits than its factorization.

49797408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 49797408 is about 7056.7278536160. The cubic root of 49797408 is about 367.9049061160.

It can be divided in two parts, 49797 and 408, that added together give a palindrome (50205).

The spelling of 49797408 in words is "forty-nine million, seven hundred ninety-seven thousand, four hundred eight".