3671658 has 36 divisors (see below), whose sum is σ = 8230950. Its totient is φ = 1182816.

The previous prime is 3671627. The next prime is 3671663. The reversal of 3671658 is 8561763.

It can be written as a sum of positive squares in 3 ways, for example, as 3583449 + 88209 = 1893^2 + 297^2 .

It is a d-powerful number, because it can be written as 3¹³ + 6⁷ + 7⁶ + 1 + 6⁸ + 5³ + 8 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24568 + ... + 24716.

Almost surely, 2^3671658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3671658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4115475).

3671658 is an abundant number, since it is smaller than the sum of its proper divisors (4559292).

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

3671658 is a wasteful number, since it uses less digits than its factorization.

3671658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 191 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3671658 is about 1916.1570916812. The cubic root of 3671658 is about 154.2721056486.

It can be divided in two parts, 367 and 1658, that added together give a square (2025 = 45²).

The spelling of 3671658 in words is "three million, six hundred seventy-one thousand, six hundred fifty-eight".