1925987 has 8 divisors (see below), whose sum is σ = 2209536. Its totient is φ = 1644552.

The previous prime is 1925971. The next prime is 1925993. The reversal of 1925987 is 7895291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1925987 - 2⁴ = 1925971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1925087) 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, 3248 + ... + 3794.

It is an arithmetic number, because the mean of its divisors is an integer number (276192).

2^1925987 is an apocalyptic number.

1925987 is a deficient number, since it is larger than the sum of its proper divisors (283549).

1925987 is an equidigital number, since it uses as much as digits as its factorization.

1925987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its digits is 45360, while the sum is 41.

The square root of 1925987 is about 1387.7993370801. The cubic root of 1925987 is about 124.4183536986.

The spelling of 1925987 in words is "one million, nine hundred twenty-five thousand, nine hundred eighty-seven".