3486942 has 32 divisors (see below), whose sum is σ = 8002560. Its totient is φ = 1124280.

The previous prime is 3486941. The next prime is 3486953. The reversal of 3486942 is 2496843.

It is a happy number.

It is a super-2 number, since 2×3486942² = 24317529022728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3486897 and 3486906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486941) 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 15 ways as a sum of consecutive naturals, for example, 633 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (250080).

Almost surely, 2^3486942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3486942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4001280).

3486942 is an abundant number, since it is smaller than the sum of its proper divisors (4515618).

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

3486942 is a wasteful number, since it uses less digits than its factorization.

3486942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125 (or 2119 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3486942 is about 1867.3355349267. The cubic root of 3486942 is about 151.6403952939.

Subtracting from 3486942 its reverse (2496843), we obtain a palindrome (990099).

The spelling of 3486942 in words is "three million, four hundred eighty-six thousand, nine hundred forty-two".