2988457 has 4 divisors (see below), whose sum is σ = 3058000. Its totient is φ = 2918916.

The previous prime is 2988443. The next prime is 2988497. The reversal of 2988457 is 7548892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2988457 - 2¹¹ = 2986409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 69499 = 2988457 / (2 + 9 + 8 + 8 + 4 + 5 + 7).

It is a d-powerful number, because it can be written as 2¹³ + 9⁵ + 8³ + 8⁷ + 4 + 5 + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2988407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34707 + ... + 34792.

It is an arithmetic number, because the mean of its divisors is an integer number (764500).

2^2988457 is an apocalyptic number.

It is an amenable number.

2988457 is a deficient number, since it is larger than the sum of its proper divisors (69543).

2988457 is an equidigital number, since it uses as much as digits as its factorization.

2988457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69542.

The product of its digits is 161280, while the sum is 43.

The square root of 2988457 is about 1728.7154190323. The cubic root of 2988457 is about 144.0397427598.

The spelling of 2988457 in words is "two million, nine hundred eighty-eight thousand, four hundred fifty-seven".