2987146 has 4 divisors (see below), whose sum is σ = 4480722. Its totient is φ = 1493572.

The previous prime is 2987143. The next prime is 2987147. The reversal of 2987146 is 6417892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 1452025 = 1239^2 + 1205^2 .

It is not an unprimeable number, because it can be changed into a prime (2987141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746785 + ... + 746788.

2^2987146 is an apocalyptic number.

2987146 is a deficient number, since it is larger than the sum of its proper divisors (1493576).

2987146 is a wasteful number, since it uses less digits than its factorization.

2987146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493575.

The product of its digits is 24192, while the sum is 37.

The square root of 2987146 is about 1728.3361941474. The cubic root of 2987146 is about 144.0186768470.

The spelling of 2987146 in words is "two million, nine hundred eighty-seven thousand, one hundred forty-six".