406654966 has 4 divisors (see below), whose sum is σ = 609982452. Its totient is φ = 203327482.

The previous prime is 406654957. The next prime is 406654991. The reversal of 406654966 is 669456604.

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

It is a super-2 number, since 2×406654966² = 330736522744922312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101663740 + ... + 101663743.

It is an arithmetic number, because the mean of its divisors is an integer number (152495613).

Almost surely, 2^406654966 is an apocalyptic number.

406654966 is a deficient number, since it is larger than the sum of its proper divisors (203327486).

406654966 is a wasteful number, since it uses less digits than its factorization.

406654966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203327485.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 406654966 is about 20165.6878385043. The cubic root of 406654966 is about 740.8700297714.

The spelling of 406654966 in words is "four hundred six million, six hundred fifty-four thousand, nine hundred sixty-six".