3936690 has 96 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 944640.

The previous prime is 3936683. The next prime is 3936727. The reversal of 3936690 is 966393.

It is a super-2 number, since 2×3936690² = 30995056312200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47389 + ... + 47471.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

Almost surely, 2^3936690 is an apocalyptic number.

3936690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3936690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5660928).

3936690 is an abundant number, since it is smaller than the sum of its proper divisors (7385166).

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

3936690 is a wasteful number, since it uses less digits than its factorization.

3936690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 3936690 is about 1984.1093719853. The cubic root of 3936690 is about 157.8981611538.

The spelling of 3936690 in words is "three million, nine hundred thirty-six thousand, six hundred ninety".