2919942 has 32 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 930600.

The previous prime is 2919941. The next prime is 2919949. The reversal of 2919942 is 2499192.

It is a super-2 number, since 2×2919942² = 17052122566728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2919897 and 2919906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919941) 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, 67 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2^2919942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2919942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2919942 is an abundant number, since it is smaller than the sum of its proper divisors (3853818).

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

2919942 is a wasteful number, since it uses less digits than its factorization.

2919942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2379 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 2919942 is about 1708.7837780129. The cubic root of 2919942 is about 142.9304436206.

It can be divided in two parts, 29199 and 42, that added together give a square (29241 = 171²).

The spelling of 2919942 in words is "two million, nine hundred nineteen thousand, nine hundred forty-two".