3893490 has 24 divisors (see below), whose sum is σ = 10123308. Its totient is φ = 1038240.

The previous prime is 3893489. The next prime is 3893497. The reversal of 3893490 is 943983.

It can be written as a sum of positive squares in 2 ways, for example, as 3884841 + 8649 = 1971^2 + 93^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3893497) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21541 + ... + 21720.

Almost surely, 2^3893490 is an apocalyptic number.

3893490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3893490 is an abundant number, since it is smaller than the sum of its proper divisors (6229818).

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

3893490 is a wasteful number, since it uses less digits than its factorization.

3893490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43274 (or 43271 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3893490 is about 1973.1928440981. The cubic root of 3893490 is about 157.3184605224.

It can be divided in two parts, 38 and 93490, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 3893490 in words is "three million, eight hundred ninety-three thousand, four hundred ninety".