2942406 has 40 divisors (see below), whose sum is σ = 6769224. Its totient is φ = 954720.

The previous prime is 2942399. The next prime is 2942431. The reversal of 2942406 is 6042492.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2942406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6421 + ... + 6863.

2^2942406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2942406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3384612).

2942406 is an abundant number, since it is smaller than the sum of its proper divisors (3826818).

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

2942406 is a wasteful number, since it uses less digits than its factorization.

2942406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2942406 is about 1715.3442803123. The cubic root of 2942406 is about 143.2960434212.

Adding to 2942406 its reverse (6042492), we get a palindrome (8984898).

The spelling of 2942406 in words is "two million, nine hundred forty-two thousand, four hundred six".