3972466 has 4 divisors (see below), whose sum is σ = 5958702. Its totient is φ = 1986232.

The previous prime is 3972439. The next prime is 3972467. The reversal of 3972466 is 6642793.

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., 3441025 + 531441 = 1855^2 + 729^2 .

It is a super-3 number, since 3×3972466³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3972467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993115 + ... + 993118.

Almost surely, 2^3972466 is an apocalyptic number.

3972466 is a deficient number, since it is larger than the sum of its proper divisors (1986236).

3972466 is a wasteful number, since it uses less digits than its factorization.

3972466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986235.

The product of its digits is 54432, while the sum is 37.

The square root of 3972466 is about 1993.1046134109. The cubic root of 3972466 is about 158.3750370909.

The spelling of 3972466 in words is "three million, nine hundred seventy-two thousand, four hundred sixty-six".