214789653 has 12 divisors (see below), whose sum is σ = 334117420. Its totient is φ = 132178176.

The previous prime is 214789633. The next prime is 214789657. The reversal of 214789653 is 356987412.

It can be written as a sum of positive squares in 2 ways, for example, as 18173169 + 196616484 = 4263^2 + 14022^2 .

It is not a de Polignac number, because 214789653 - 2⁵ = 214789621 is a prime.

It is a super-2 number, since 2×214789653² = 92269190071720818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214789599 and 214789608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214789657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917788 + ... + 918021.

Almost surely, 2^214789653 is an apocalyptic number.

It is an amenable number.

214789653 is a deficient number, since it is larger than the sum of its proper divisors (119327767).

214789653 is a wasteful number, since it uses less digits than its factorization.

214789653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835828 (or 1835825 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 214789653 is about 14655.7037702050. The cubic root of 214789653 is about 598.8772085428.

The spelling of 214789653 in words is "two hundred fourteen million, seven hundred eighty-nine thousand, six hundred fifty-three".