390911950 has 48 divisors (see below), whose sum is σ = 854226576. Its totient is φ = 131212800.

The previous prime is 390911929. The next prime is 390911951. The reversal of 390911950 is 59119093.

It is a super-4 number, since 4×390911950⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390911951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20187 + ... + 34486.

It is an arithmetic number, because the mean of its divisors is an integer number (17796387).

Almost surely, 2^390911950 is an apocalyptic number.

390911950 is an abundant number, since it is smaller than the sum of its proper divisors (463314626).

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

390911950 is a wasteful number, since it uses less digits than its factorization.

390911950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54709 (or 54704 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 390911950 is about 19771.4933679780. The cubic root of 390911950 is about 731.1833874111.

It can be divided in two parts, 39091 and 1950, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 390911950 in words is "three hundred ninety million, nine hundred eleven thousand, nine hundred fifty".