3999466 has 4 divisors (see below), whose sum is σ = 5999202. Its totient is φ = 1999732.

The previous prime is 3999461. The next prime is 3999467. The reversal of 3999466 is 6649993.

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., 2989441 + 1010025 = 1729^2 + 1005^2 .

It is not an unprimeable number, because it can be changed into a prime (3999461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999865 + ... + 999868.

Almost surely, 2^3999466 is an apocalyptic number.

3999466 is a deficient number, since it is larger than the sum of its proper divisors (1999736).

3999466 is a wasteful number, since it uses less digits than its factorization.

3999466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999735.

The product of its digits is 314928, while the sum is 46.

The square root of 3999466 is about 1999.8664955441. The cubic root of 3999466 is about 158.7330409478.

It can be divided in two parts, 3999 and 466, that added together give a triangular number (4465 = T₉₄).

The spelling of 3999466 in words is "three million, nine hundred ninety-nine thousand, four hundred sixty-six".