3621146 has 4 divisors (see below), whose sum is σ = 5431722. Its totient is φ = 1810572.

The previous prime is 3621139. The next prime is 3621157. The reversal of 3621146 is 6411263.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3330625 + 290521 = 1825^2 + 539^2 .

It is a super-2 number, since 2×3621146² = 26225396706632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905285 + ... + 905288.

Almost surely, 2^3621146 is an apocalyptic number.

3621146 is a deficient number, since it is larger than the sum of its proper divisors (1810576).

3621146 is a wasteful number, since it uses less digits than its factorization.

3621146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810575.

The product of its digits is 864, while the sum is 23.

The square root of 3621146 is about 1902.9308973265. The cubic root of 3621146 is about 153.5613819382.

The spelling of 3621146 in words is "three million, six hundred twenty-one thousand, one hundred forty-six".