1987460 has 24 divisors (see below), whose sum is σ = 4272576. Its totient is φ = 776160.

The previous prime is 1987451. The next prime is 1987471. The reversal of 1987460 is 647891.

It is a self number, because there is not a number n which added to its sum of digits gives 1987460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (178024).

2^1987460 is an apocalyptic number.

1987460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1987460 is an abundant number, since it is smaller than the sum of its proper divisors (2285116).

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

1987460 is a wasteful number, since it uses less digits than its factorization.

1987460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1987460 is about 1409.7730313777. The cubic root of 1987460 is about 125.7282292189.

The spelling of 1987460 in words is "one million, nine hundred eighty-seven thousand, four hundred sixty".