3912942 has 32 divisors (see below), whose sum is σ = 8636544. Its totient is φ = 1172000.

The previous prime is 3912919. The next prime is 3912943. The reversal of 3912942 is 2492193.

It is a super-2 number, since 2×3912942² = 30622230190728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912943) 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, 6373 + ... + 6959.

It is an arithmetic number, because the mean of its divisors is an integer number (269892).

Almost surely, 2^3912942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3912942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4318272).

3912942 is an abundant number, since it is smaller than the sum of its proper divisors (4723602).

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

3912942 is a wasteful number, since it uses less digits than its factorization.

3912942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its digits is 3888, while the sum is 30.

The square root of 3912942 is about 1978.1157701206. The cubic root of 3912942 is about 157.5800147728.

It can be divided in two parts, 391 and 2942, that added together give a palindrome (3333).

The spelling of 3912942 in words is "three million, nine hundred twelve thousand, nine hundred forty-two".