49191408 has 80 divisors (see below), whose sum is σ = 161378560. Its totient is φ = 14053824.

The previous prime is 49191403. The next prime is 49191413. The reversal of 49191408 is 80419194.

It is an interprime number because it is at equal distance from previous prime (49191403) and next prime (49191413).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49191403) 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, 5110 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (2017232).

Almost surely, 2^49191408 is an apocalyptic number.

49191408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49191408 is an abundant number, since it is smaller than the sum of its proper divisors (112187152).

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

49191408 is a wasteful number, since it uses less digits than its factorization.

49191408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16291 (or 16279 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 49191408 is about 7013.6586743297. The cubic root of 49191408 is about 366.4064283815.

The spelling of 49191408 in words is "forty-nine million, one hundred ninety-one thousand, four hundred eight".