3893715 has 48 divisors (see below), whose sum is σ = 7907328. Its totient is φ = 1735488.

The previous prime is 3893707. The next prime is 3893719. The reversal of 3893715 is 5173983.

It is not a de Polignac number, because 3893715 - 2³ = 3893707 is a prime.

It is a super-2 number, since 2×3893715² = 30322033002450, which contains 22 as substring.

3893715 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3893715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3893719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14674 + ... + 14936.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

Almost surely, 2^3893715 is an apocalyptic number.

3893715 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3893715 is the 987-th decagonal number.

3893715 is an abundant number, since it is smaller than the sum of its proper divisors (4013613).

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

3893715 is a wasteful number, since it uses less digits than its factorization.

3893715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 325 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3893715 is about 1973.2498574686. The cubic root of 3893715 is about 157.3214908775.

It can be divided in two parts, 389371 and 5, that added together give a square (389376 = 624²).

The spelling of 3893715 in words is "three million, eight hundred ninety-three thousand, seven hundred fifteen".