1461887 has 8 divisors (see below), whose sum is σ = 1688736. Its totient is φ = 1239552.

The previous prime is 1461883. The next prime is 1461913. The reversal of 1461887 is 7881641.

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

It is a cyclic number.

It is not a de Polignac number, because 1461887 - 2² = 1461883 is a prime.

It is a super-2 number, since 2×1461887² = 4274227201538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461883) 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, 398 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (211092).

2^1461887 is an apocalyptic number.

1461887 is a deficient number, since it is larger than the sum of its proper divisors (226849).

1461887 is an equidigital number, since it uses as much as digits as its factorization.

1461887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257.

The product of its digits is 10752, while the sum is 35.

The square root of 1461887 is about 1209.0851913740. The cubic root of 1461887 is about 113.4935728343.

The spelling of 1461887 in words is "one million, four hundred sixty-one thousand, eight hundred eighty-seven".