3654738 has 24 divisors (see below), whose sum is σ = 7958028. Its totient is φ = 1212192.

The previous prime is 3654719. The next prime is 3654743. The reversal of 3654738 is 8374563.

It is a happy number.

3654738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3583449 + 71289 = 1893^2 + 267^2 .

It is a d-powerful number, because it can be written as 3¹⁰ + 6⁶ + 5⁹ + 4⁵ + 7² + 3¹³ + 8³ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4620 + ... + 5352.

Almost surely, 2^3654738 is an apocalyptic number.

3654738 is an abundant number, since it is smaller than the sum of its proper divisors (4303290).

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

3654738 is a wasteful number, since it uses less digits than its factorization.

3654738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1015 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3654738 is about 1911.7369065852. The cubic root of 3654738 is about 154.0347647382.

It can be divided in two parts, 36547 and 38, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 3654738 in words is "three million, six hundred fifty-four thousand, seven hundred thirty-eight".