2473689 has 4 divisors (see below), whose sum is σ = 3298256. Its totient is φ = 1649124.

The previous prime is 2473663. The next prime is 2473697. The reversal of 2473689 is 9863742.

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 not a de Polignac number, because 2473689 - 2²⁰ = 1425113 is a prime.

It is a super-2 number, since 2×2473689² = 12238274537442, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 4⁹ + 7³ + 3¹² + 6⁸ + 8 + 9 .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2473609) 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, 412279 + ... + 412284.

It is an arithmetic number, because the mean of its divisors is an integer number (824564).

2^2473689 is an apocalyptic number.

It is an amenable number.

2473689 is a deficient number, since it is larger than the sum of its proper divisors (824567).

2473689 is an equidigital number, since it uses as much as digits as its factorization.

2473689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824566.

The product of its digits is 72576, while the sum is 39.

The square root of 2473689 is about 1572.7965539128. The cubic root of 2473689 is about 135.2430737317.

The spelling of 2473689 in words is "two million, four hundred seventy-three thousand, six hundred eighty-nine".