4981087 has 4 divisors (see below), whose sum is σ = 5197680. Its totient is φ = 4764496.

The previous prime is 4981057. The next prime is 4981091. The reversal of 4981087 is 7801894.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4981087 - 2⁷ = 4980959 is a prime.

It is a super-2 number, since 2×4981087² = 49622455403138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108262 + ... + 108307.

It is an arithmetic number, because the mean of its divisors is an integer number (1299420).

Almost surely, 2^4981087 is an apocalyptic number.

4981087 is a deficient number, since it is larger than the sum of its proper divisors (216593).

4981087 is a wasteful number, since it uses less digits than its factorization.

4981087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216592.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 4981087 is about 2231.8348953272. The cubic root of 4981087 is about 170.7817170784.

The spelling of 4981087 in words is "four million, nine hundred eighty-one thousand, eighty-seven".