3870424 has 32 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 1799680.

The previous prime is 3870413. The next prime is 3870437. The reversal of 3870424 is 4240783.

It is a junction number, because it is equal to n+sod(n) for n = 3870392 and 3870401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20169 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

Almost surely, 2^3870424 is an apocalyptic number.

3870424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3870424 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3870424 is a wasteful number, since it uses less digits than its factorization.

3870424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 3870424 is about 1967.3393199954. The cubic root of 3870424 is about 157.0071804903.

The spelling of 3870424 in words is "three million, eight hundred seventy thousand, four hundred twenty-four".