3651466 has 16 divisors (see below), whose sum is σ = 6741504. Its totient is φ = 1444464.

The previous prime is 3651463. The next prime is 3651467. The reversal of 3651466 is 6641563.

3651466 = T₇₄₃ + T₇₄₄ + ... + T₇₅₅.

It is not an unprimeable number, because it can be changed into a prime (3651463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9850 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (421344).

Almost surely, 2^3651466 is an apocalyptic number.

3651466 is a deficient number, since it is larger than the sum of its proper divisors (3090038).

3651466 is a wasteful number, since it uses less digits than its factorization.

3651466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20085.

The product of its digits is 12960, while the sum is 31.

The square root of 3651466 is about 1910.8809486726. The cubic root of 3651466 is about 153.9887831263.

The spelling of 3651466 in words is "three million, six hundred fifty-one thousand, four hundred sixty-six".