3870396 has 24 divisors (see below), whose sum is σ = 10034640. Its totient is φ = 1290096.

The previous prime is 3870337. The next prime is 3870401. The reversal of 3870396 is 6930783.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 3⁷ + 8⁷ + 7⁶ + 0 + 3¹³ + 9⁵ + 6² .

It is a self number, because there is not a number n which added to its sum of digits gives 3870396.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17811 + ... + 18026.

It is an arithmetic number, because the mean of its divisors is an integer number (418110).

Almost surely, 2^3870396 is an apocalyptic number.

3870396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3870396 is an abundant number, since it is smaller than the sum of its proper divisors (6164244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3870396 is a wasteful number, since it uses less digits than its factorization.

3870396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35850 (or 35842 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3870396 is about 1967.3322037724. The cubic root of 3870396 is about 157.0068018744.

The spelling of 3870396 in words is "three million, eight hundred seventy thousand, three hundred ninety-six".