107638390 has 32 divisors (see below), whose sum is σ = 214073280. Its totient is φ = 38759424.

The previous prime is 107638357. The next prime is 107638393. The reversal of 107638390 is 93836701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107638393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9855 + ... + 17674.

It is an arithmetic number, because the mean of its divisors is an integer number (6689790).

Almost surely, 2^107638390 is an apocalyptic number.

107638390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

107638390 is a deficient number, since it is larger than the sum of its proper divisors (106434890).

107638390 is a wasteful number, since it uses less digits than its factorization.

107638390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27576.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 107638390 is about 10374.8922885975. The cubic root of 107638390 is about 475.6882212004.

The spelling of 107638390 in words is "one hundred seven million, six hundred thirty-eight thousand, three hundred ninety".