3561238 has 4 divisors (see below), whose sum is σ = 5341860. Its totient is φ = 1780618.

The previous prime is 3561221. The next prime is 3561247. The reversal of 3561238 is 8321653.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890308 + ... + 890311.

It is an arithmetic number, because the mean of its divisors is an integer number (1335465).

Almost surely, 2^3561238 is an apocalyptic number.

3561238 is a deficient number, since it is larger than the sum of its proper divisors (1780622).

3561238 is a wasteful number, since it uses less digits than its factorization.

3561238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780621.

The product of its digits is 4320, while the sum is 28.

The square root of 3561238 is about 1887.1242672384. The cubic root of 3561238 is about 152.7098320848.

The spelling of 3561238 in words is "three million, five hundred sixty-one thousand, two hundred thirty-eight".