3821487 has 8 divisors (see below), whose sum is σ = 5219760. Its totient is φ = 2485440.

The previous prime is 3821483. The next prime is 3821491. The reversal of 3821487 is 7841283.

It is an interprime number because it is at equal distance from previous prime (3821483) and next prime (3821491).

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

It is not a de Polignac number, because 3821487 - 2² = 3821483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821483) 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, 15412 + ... + 15657.

It is an arithmetic number, because the mean of its divisors is an integer number (652470).

Almost surely, 2^3821487 is an apocalyptic number.

3821487 is a deficient number, since it is larger than the sum of its proper divisors (1398273).

3821487 is a wasteful number, since it uses less digits than its factorization.

3821487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31113.

The product of its digits is 10752, while the sum is 33.

The square root of 3821487 is about 1954.8623992496. The cubic root of 3821487 is about 156.3426475610.

The spelling of 3821487 in words is "three million, eight hundred twenty-one thousand, four hundred eighty-seven".