2487942 has 16 divisors (see below), whose sum is σ = 5528880. Its totient is φ = 829296.

The previous prime is 2487931. The next prime is 2487943. The reversal of 2487942 is 2497842.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2487897 and 2487906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487943) 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, 22983 + ... + 23090.

It is an arithmetic number, because the mean of its divisors is an integer number (345555).

2^2487942 is an apocalyptic number.

2487942 is an abundant number, since it is smaller than the sum of its proper divisors (3040938).

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

2487942 is a wasteful number, since it uses less digits than its factorization.

2487942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46084 (or 46078 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2487942 is about 1577.3211467548. The cubic root of 2487942 is about 135.5023260903.

The spelling of 2487942 in words is "two million, four hundred eighty-seven thousand, nine hundred forty-two".