7854942 has 16 divisors (see below), whose sum is σ = 16536960. Its totient is φ = 2480472.

The previous prime is 7854893. The next prime is 7854949. The reversal of 7854942 is 2494587.

It is a super-2 number, since 2×7854942² = 123400227646728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7854942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7854949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34338 + ... + 34565.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 2^7854942 is an apocalyptic number.

7854942 is an abundant number, since it is smaller than the sum of its proper divisors (8682018).

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

7854942 is a wasteful number, since it uses less digits than its factorization.

7854942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68927.

The product of its digits is 80640, while the sum is 39.

The square root of 7854942 is about 2802.6669441801. Note that the first 3 decimals coincide. The cubic root of 7854942 is about 198.7838026443.

The spelling of 7854942 in words is "seven million, eight hundred fifty-four thousand, nine hundred forty-two".