2987442 has 32 divisors (see below), whose sum is σ = 6730560. Its totient is φ = 994356.

The previous prime is 2987441. The next prime is 2987443. The reversal of 2987442 is 2447892.

It is an interprime number because it is at equal distance from previous prime (2987441) and next prime (2987443).

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 2987397 and 2987406.

It is not an unprimeable number, because it can be changed into a prime (2987441) 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, 4033 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (210330).

2^2987442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2987442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3365280).

2987442 is an abundant number, since it is smaller than the sum of its proper divisors (3743118).

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

2987442 is an frugal number, since it uses more digits than its factorization.

2987442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 688 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2987442 is about 1728.4218235142. The cubic root of 2987442 is about 144.0234336863.

The spelling of 2987442 in words is "two million, nine hundred eighty-seven thousand, four hundred forty-two".