3661434 has 24 divisors (see below), whose sum is σ = 9066720. Its totient is φ = 1046088.

The previous prime is 3661429. The next prime is 3661447. The reversal of 3661434 is 4341663.

It is a junction number, because it is equal to n+sod(n) for n = 3661398 and 3661407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14404 + ... + 14655.

It is an arithmetic number, because the mean of its divisors is an integer number (377780).

Almost surely, 2^3661434 is an apocalyptic number.

3661434 is an abundant number, since it is smaller than the sum of its proper divisors (5405286).

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

3661434 is a wasteful number, since it uses less digits than its factorization.

3661434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29074 (or 29071 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3661434 is about 1913.4873921717. The cubic root of 3661434 is about 154.1287785475.

It can be divided in two parts, 3661 and 434, that added together give a triangular number (4095 = T₉₀).

The spelling of 3661434 in words is "three million, six hundred sixty-one thousand, four hundred thirty-four".