49271390 has 32 divisors (see below), whose sum is σ = 102271680. Its totient is φ = 16740864.

The previous prime is 49271371. The next prime is 49271393. The reversal of 49271390 is 9317294.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 49271390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49271393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4796 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (3195990).

Almost surely, 2^49271390 is an apocalyptic number.

49271390 is an abundant number, since it is smaller than the sum of its proper divisors (53000290).

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

49271390 is a wasteful number, since it uses less digits than its factorization.

49271390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 49271390 is about 7019.3582327731. The cubic root of 49271390 is about 366.6049051163.

The spelling of 49271390 in words is "forty-nine million, two hundred seventy-one thousand, three hundred ninety".