2979342 has 40 divisors (see below), whose sum is σ = 6821496. Its totient is φ = 971568.

The previous prime is 2979337. The next prime is 2979343. The reversal of 2979342 is 2439792.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2979297 and 2979306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8413 + ... + 8759.

2^2979342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2979342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3410748).

2979342 is an abundant number, since it is smaller than the sum of its proper divisors (3842154).

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

2979342 is a wasteful number, since it uses less digits than its factorization.

2979342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 405 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2979342 is about 1726.0770550587. The cubic root of 2979342 is about 143.8931499019.

It can be divided in two parts, 2979 and 342, that added together give a triangular number (3321 = T₈₁).

The spelling of 2979342 in words is "two million, nine hundred seventy-nine thousand, three hundred forty-two".