2487138 has 16 divisors (see below), whose sum is σ = 5236320. Its totient is φ = 785376.

The previous prime is 2487137. The next prime is 2487139. The reversal of 2487138 is 8317842.

It is an interprime number because it is at equal distance from previous prime (2487137) and next prime (2487139).

It is a junction number, because it is equal to n+sod(n) for n = 2487099 and 2487108.

It is not an unprimeable number, because it can be changed into a prime (2487137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10795 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (327270).

2^2487138 is an apocalyptic number.

2487138 is an abundant number, since it is smaller than the sum of its proper divisors (2749182).

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

2487138 is a wasteful number, since it uses less digits than its factorization.

2487138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841.

The product of its digits is 10752, while the sum is 33.

The square root of 2487138 is about 1577.0662636681. The cubic root of 2487138 is about 135.4877282678.

It can be divided in two parts, 2487 and 138, that multiplied together give a triangular number (343206 = T₈₂₈).

The spelling of 2487138 in words is "two million, four hundred eighty-seven thousand, one hundred thirty-eight".