404166626 has 8 divisors (see below), whose sum is σ = 632608704. Its totient is φ = 193297060.

The previous prime is 404166611. The next prime is 404166641. The reversal of 404166626 is 626661404.

It is an interprime number because it is at equal distance from previous prime (404166611) and next prime (404166641).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393070 + ... + 4393161.

It is an arithmetic number, because the mean of its divisors is an integer number (79076088).

Almost surely, 2^404166626 is an apocalyptic number.

404166626 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

404166626 is a deficient number, since it is larger than the sum of its proper divisors (228442078).

404166626 is a wasteful number, since it uses less digits than its factorization.

404166626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786256.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 404166626 is about 20103.8957916121. The cubic root of 404166626 is about 739.3557980130.

The spelling of 404166626 in words is "four hundred four million, one hundred sixty-six thousand, six hundred twenty-six".