214908646 has 8 divisors (see below), whose sum is σ = 322500744. Its totient is φ = 107408400.

The previous prime is 214908613. The next prime is 214908649. The reversal of 214908646 is 646809412.

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

It is a super-2 number, since 2×214908646² = 92371452251106632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214908599 and 214908608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214908649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16780 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (40312593).

Almost surely, 2^214908646 is an apocalyptic number.

214908646 is a deficient number, since it is larger than the sum of its proper divisors (107592098).

214908646 is a wasteful number, since it uses less digits than its factorization.

214908646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45926.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 214908646 is about 14659.7628220923. The cubic root of 214908646 is about 598.9877803496.

The spelling of 214908646 in words is "two hundred fourteen million, nine hundred eight thousand, six hundred forty-six".