2981394 has 64 divisors (see below), whose sum is σ = 7418880. Its totient is φ = 881280.

The previous prime is 2981387. The next prime is 2981399. The reversal of 2981394 is 4931892.

Its product of digits (15552) is a multiple of the sum of its prime factors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21694 + ... + 21830.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2^2981394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2981394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3709440).

2981394 is an abundant number, since it is smaller than the sum of its proper divisors (4437486).

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

2981394 is a wasteful number, since it uses less digits than its factorization.

2981394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 186 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2981394 is about 1726.6713642150. The cubic root of 2981394 is about 143.9261774386.

It can be divided in two parts, 2981 and 394, that added together give a cube (3375 = 15³).

The spelling of 2981394 in words is "two million, nine hundred eighty-one thousand, three hundred ninety-four".