214629861 has 8 divisors (see below), whose sum is σ = 286246240. Its totient is φ = 143050032.

The previous prime is 214629847. The next prime is 214629869. The reversal of 214629861 is 168926412.

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

It is not a de Polignac number, because 214629861 - 2¹⁵ = 214597093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214629869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10755 + ... + 23343.

It is an arithmetic number, because the mean of its divisors is an integer number (35780780).

Almost surely, 2^214629861 is an apocalyptic number.

It is an amenable number.

214629861 is a deficient number, since it is larger than the sum of its proper divisors (71616379).

214629861 is a wasteful number, since it uses less digits than its factorization.

214629861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18275.

The product of its digits is 41472, while the sum is 39.

The square root of 214629861 is about 14650.2512265149. The cubic root of 214629861 is about 598.7286608417.

The spelling of 214629861 in words is "two hundred fourteen million, six hundred twenty-nine thousand, eight hundred sixty-one".