2987242 has 4 divisors (see below), whose sum is σ = 4480866. Its totient is φ = 1493620.

The previous prime is 2987209. The next prime is 2987251. The reversal of 2987242 is 2427892.

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., 2193361 + 793881 = 1481^2 + 891^2 .

It is a super-2 number, since 2×2987242² = 17847229533128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2987198 and 2987207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746809 + ... + 746812.

2^2987242 is an apocalyptic number.

2987242 is a deficient number, since it is larger than the sum of its proper divisors (1493624).

2987242 is a wasteful number, since it uses less digits than its factorization.

2987242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493623.

The product of its digits is 16128, while the sum is 34.

The square root of 2987242 is about 1728.3639662988. The cubic root of 2987242 is about 144.0202196402.

The spelling of 2987242 in words is "two million, nine hundred eighty-seven thousand, two hundred forty-two".