49277638 has 8 divisors (see below), whose sum is σ = 77130288. Its totient is φ = 23567544.

The previous prime is 49277633. The next prime is 49277647. The reversal of 49277638 is 83677294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 1071253 = 49277638 / (4 + 9 + 2 + 7 + 7 + 6 + 3 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49277633) 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 3 ways as a sum of consecutive naturals, for example, 535581 + ... + 535672.

It is an arithmetic number, because the mean of its divisors is an integer number (9641286).

Almost surely, 2^49277638 is an apocalyptic number.

49277638 is a deficient number, since it is larger than the sum of its proper divisors (27852650).

49277638 is a wasteful number, since it uses less digits than its factorization.

49277638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071278.

The product of its digits is 508032, while the sum is 46.

The square root of 49277638 is about 7019.8032735968. The cubic root of 49277638 is about 366.6204005903.

The spelling of 49277638 in words is "forty-nine million, two hundred seventy-seven thousand, six hundred thirty-eight".