49288638 has 16 divisors (see below), whose sum is σ = 112659840. Its totient is φ = 14082456.

The previous prime is 49288633. The next prime is 49288643. The reversal of 49288638 is 83688294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49288633) and next prime (49288643).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49288633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586728 + ... + 586811.

It is an arithmetic number, because the mean of its divisors is an integer number (7041240).

Almost surely, 2^49288638 is an apocalyptic number.

49288638 is an abundant number, since it is smaller than the sum of its proper divisors (63371202).

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

49288638 is a wasteful number, since it uses less digits than its factorization.

49288638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173551.

The product of its digits is 663552, while the sum is 48.

The square root of 49288638 is about 7020.5867276176. The cubic root of 49288638 is about 366.6476781719.

The spelling of 49288638 in words is "forty-nine million, two hundred eighty-eight thousand, six hundred thirty-eight".