2687930 has 64 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 834624.

The previous prime is 2687899. The next prime is 2687953. The reversal of 2687930 is 397862.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57167 + ... + 57213.

It is an arithmetic number, because the mean of its divisors is an integer number (95040).

2^2687930 is an apocalyptic number.

2687930 is an abundant number, since it is smaller than the sum of its proper divisors (3394630).

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

2687930 is a wasteful number, since it uses less digits than its factorization.

2687930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2687930 is about 1639.4907746005. The cubic root of 2687930 is about 139.0398588313.

The spelling of 2687930 in words is "two million, six hundred eighty-seven thousand, nine hundred thirty".