2438670 has 64 divisors (see below), whose sum is σ = 6511680. Its totient is φ = 584064.

The previous prime is 2438629. The next prime is 2438671. The reversal of 2438670 is 768342.

It is a super-2 number, since 2×2438670² = 11894222737800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 2⁷ + 4 + 3¹⁰ + 8⁷ + 6⁷ + 7⁴ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65892 + ... + 65928.

It is an arithmetic number, because the mean of its divisors is an integer number (101745).

2^2438670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2438670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255840).

2438670 is an abundant number, since it is smaller than the sum of its proper divisors (4073010).

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

2438670 is a wasteful number, since it uses less digits than its factorization.

2438670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2438670 is about 1561.6241545263. The cubic root of 2438670 is about 134.6018447083.

The spelling of 2438670 in words is "two million, four hundred thirty-eight thousand, six hundred seventy".