117900438 has 16 divisors (see below), whose sum is σ = 246053376. Its totient is φ = 37591400.

The previous prime is 117900407. The next prime is 117900439. The reversal of 117900438 is 834009711.

It is a junction number, because it is equal to n+sod(n) for n = 117900399 and 117900408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117900439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427038 + ... + 427313.

It is an arithmetic number, because the mean of its divisors is an integer number (15378336).

Almost surely, 2^117900438 is an apocalyptic number.

117900438 is an abundant number, since it is smaller than the sum of its proper divisors (128152938).

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

117900438 is a wasteful number, since it uses less digits than its factorization.

117900438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854379.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 117900438 is about 10858.1968116258. The cubic root of 117900438 is about 490.3488256129.

The spelling of 117900438 in words is "one hundred seventeen million, nine hundred thousand, four hundred thirty-eight".