213954028 has 6 divisors (see below), whose sum is σ = 374419556. Its totient is φ = 106977012.

The previous prime is 213953989. The next prime is 213954049. The reversal of 213954028 is 820459312.

213954028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213953984 and 213954002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26744250 + ... + 26744257.

Almost surely, 2^213954028 is an apocalyptic number.

It is an amenable number.

213954028 is a deficient number, since it is larger than the sum of its proper divisors (160465528).

213954028 is a wasteful number, since it uses less digits than its factorization.

213954028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53488511 (or 53488509 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 213954028 is about 14627.1674633198. The cubic root of 213954028 is about 598.0995684365.

The spelling of 213954028 in words is "two hundred thirteen million, nine hundred fifty-four thousand, twenty-eight".