213859401 has 8 divisors (see below), whose sum is σ = 325881024. Its totient is φ = 122205360.

The previous prime is 213859397. The next prime is 213859411. The reversal of 213859401 is 104958312.

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

It is not a de Polignac number, because 213859401 - 2² = 213859397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213859411) 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, 5091870 + ... + 5091911.

It is an arithmetic number, because the mean of its divisors is an integer number (40735128).

Almost surely, 2^213859401 is an apocalyptic number.

213859401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213859401 is a deficient number, since it is larger than the sum of its proper divisors (112021623).

213859401 is a wasteful number, since it uses less digits than its factorization.

213859401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183791.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 213859401 is about 14623.9324738594. The cubic root of 213859401 is about 598.0113801558.

The spelling of 213859401 in words is "two hundred thirteen million, eight hundred fifty-nine thousand, four hundred one".