274987 has 8 divisors (see below), whose sum is σ = 297360. Its totient is φ = 253440.

The previous prime is 274973. The next prime is 274993. The reversal of 274987 is 789472.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274987 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274957) 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, 603 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (37170).

2²⁷⁴⁹⁸⁷ is an apocalyptic number.

274987 is a deficient number, since it is larger than the sum of its proper divisors (22373).

274987 is a wasteful number, since it uses less digits than its factorization.

274987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its digits is 28224, while the sum is 37.

The square root of 274987 is about 524.3920289249. The cubic root of 274987 is about 65.0285476180.

The spelling of 274987 in words is "two hundred seventy-four thousand, nine hundred eighty-seven".