49388870 has 8 divisors (see below), whose sum is σ = 88899984. Its totient is φ = 19755544.

The previous prime is 49388861. The next prime is 49388873. The reversal of 49388870 is 7888394.

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

It is a super-3 number, since 3×49388870³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49388873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2469434 + ... + 2469453.

It is an arithmetic number, because the mean of its divisors is an integer number (11112498).

Almost surely, 2^49388870 is an apocalyptic number.

49388870 is a deficient number, since it is larger than the sum of its proper divisors (39511114).

49388870 is a wasteful number, since it uses less digits than its factorization.

49388870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938894.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 49388870 is about 7027.7215368852. The cubic root of 49388870 is about 366.8960447227.

The spelling of 49388870 in words is "forty-nine million, three hundred eighty-eight thousand, eight hundred seventy".