4030987 has 4 divisors (see below), whose sum is σ = 4086280. Its totient is φ = 3975696.

The previous prime is 4030981. The next prime is 4030993. The reversal of 4030987 is 7890304.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (4030981) and next prime (4030993).

It is a cyclic number.

It is not a de Polignac number, because 4030987 - 2³ = 4030979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4030981) 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, 27537 + ... + 27682.

It is an arithmetic number, because the mean of its divisors is an integer number (1021570).

Almost surely, 2^4030987 is an apocalyptic number.

4030987 is a deficient number, since it is larger than the sum of its proper divisors (55293).

4030987 is an equidigital number, since it uses as much as digits as its factorization.

4030987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55292.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4030987 is about 2007.7318047986. The cubic root of 4030987 is about 159.1489578841.

It can be divided in two parts, 4030 and 987, that multiplied together give a triangular number (3977610 = T₂₈₂₀).

The spelling of 4030987 in words is "four million, thirty thousand, nine hundred eighty-seven".