919339242 has 16 divisors (see below), whose sum is σ = 1845516960. Its totient is φ = 305306672.

The previous prime is 919339231. The next prime is 919339247. The reversal of 919339242 is 242933919.

It is a super-2 number, since 2×919339242² = 1690369283762269128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 919339194 and 919339203.

It is not an unprimeable number, because it can be changed into a prime (919339247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283188 + ... + 286415.

It is an arithmetic number, because the mean of its divisors is an integer number (115344810).

Almost surely, 2^919339242 is an apocalyptic number.

919339242 is an abundant number, since it is smaller than the sum of its proper divisors (926177718).

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

919339242 is a wasteful number, since it uses less digits than its factorization.

919339242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569877.

The product of its digits is 104976, while the sum is 42.

The square root of 919339242 is about 30320.6075466835. The cubic root of 919339242 is about 972.3559277545.

The spelling of 919339242 in words is "nine hundred nineteen million, three hundred thirty-nine thousand, two hundred forty-two".