401651006 has 8 divisors (see below), whose sum is σ = 617171184. Its totient is φ = 195927280.

The previous prime is 401650987. The next prime is 401651011. The reversal of 401651006 is 600156104.

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

It is a super-2 number, since 2×401651006² = 322647061241624072, which contains 22 as substring.

It is a congruent number.

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, 2449010 + ... + 2449173.

It is an arithmetic number, because the mean of its divisors is an integer number (77146398).

Almost surely, 2^401651006 is an apocalyptic number.

401651006 is a deficient number, since it is larger than the sum of its proper divisors (215520178).

401651006 is a wasteful number, since it uses less digits than its factorization.

401651006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898226.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 401651006 is about 20041.2326467211. The cubic root of 401651006 is about 737.8186345453.

The spelling of 401651006 in words is "four hundred one million, six hundred fifty-one thousand, six".