214777146 has 8 divisors (see below), whose sum is σ = 429554304. Its totient is φ = 71592380.

The previous prime is 214777139. The next prime is 214777153. The reversal of 214777146 is 641777412.

It is an interprime number because it is at equal distance from previous prime (214777139) and next prime (214777153).

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

214777146 is an admirable number.

It is a super-2 number, since 2×214777146² = 92258444887810632, which contains 22 as substring.

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, 17898090 + ... + 17898101.

It is an arithmetic number, because the mean of its divisors is an integer number (53694288).

Almost surely, 2^214777146 is an apocalyptic number.

214777146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214777146 is a wasteful number, since it uses less digits than its factorization.

214777146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35796196.

The product of its digits is 65856, while the sum is 39.

The square root of 214777146 is about 14655.2770700523. The cubic root of 214777146 is about 598.8655842979.

The spelling of 214777146 in words is "two hundred fourteen million, seven hundred seventy-seven thousand, one hundred forty-six".