49066638 has 8 divisors (see below), whose sum is σ = 98133288. Its totient is φ = 16355544.

The previous prime is 49066621. The next prime is 49066643. The reversal of 49066638 is 83666094.

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

49066638 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 49066638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4088881 + ... + 4088892.

It is an arithmetic number, because the mean of its divisors is an integer number (12266661).

Almost surely, 2^49066638 is an apocalyptic number.

49066638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49066638 is a wasteful number, since it uses less digits than its factorization.

49066638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8177778.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 49066638 is about 7004.7582399395. The cubic root of 49066638 is about 366.0963794076.

The spelling of 49066638 in words is "forty-nine million, sixty-six thousand, six hundred thirty-eight".