3828031 has 4 divisors (see below), whose sum is σ = 3900312. Its totient is φ = 3755752.

The previous prime is 3828023. The next prime is 3828037. The reversal of 3828031 is 1308283.

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

It is a cyclic number.

It is not a de Polignac number, because 3828031 - 2³ = 3828023 is a prime.

It is a super-2 number, since 2×3828031² = 29307642673922, which contains 22 as substring.

It is a Duffinian number.

3828031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3827987 and 3828005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828037) 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, 36061 + ... + 36166.

It is an arithmetic number, because the mean of its divisors is an integer number (975078).

Almost surely, 2^3828031 is an apocalyptic number.

3828031 is a deficient number, since it is larger than the sum of its proper divisors (72281).

3828031 is an equidigital number, since it uses as much as digits as its factorization.

3828031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72280.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3828031 is about 1956.5354584060. The cubic root of 3828031 is about 156.4318382210.

The spelling of 3828031 in words is "three million, eight hundred twenty-eight thousand, thirty-one".