3087990 has 32 divisors (see below), whose sum is σ = 8235360. Its totient is φ = 823392.

The previous prime is 3087989. The next prime is 3087991. The reversal of 3087990 is 997803.

It is an interprime number because it is at equal distance from previous prime (3087989) and next prime (3087991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5449 + ... + 5988.

It is an arithmetic number, because the mean of its divisors is an integer number (257355).

Almost surely, 2^3087990 is an apocalyptic number.

3087990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3087990 is an abundant number, since it is smaller than the sum of its proper divisors (5147370).

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

3087990 is a wasteful number, since it uses less digits than its factorization.

3087990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11453 (or 11447 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3087990 is about 1757.2677655952. The cubic root of 3087990 is about 145.6214312031.

The spelling of 3087990 in words is "three million, eighty-seven thousand, nine hundred ninety".