213436430 has 8 divisors (see below), whose sum is σ = 384185592. Its totient is φ = 85374568.

The previous prime is 213436429. The next prime is 213436441. The reversal of 213436430 is 34634312.

It is a happy number.

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

It is a super-2 number, since 2×213436430² = 91110219302289800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213436430.

It is a congruent number.

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, 10671812 + ... + 10671831.

It is an arithmetic number, because the mean of its divisors is an integer number (48023199).

Almost surely, 2^213436430 is an apocalyptic number.

213436430 is a deficient number, since it is larger than the sum of its proper divisors (170749162).

213436430 is a wasteful number, since it uses less digits than its factorization.

213436430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21343650.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 213436430 is about 14609.4637136344. The cubic root of 213436430 is about 597.6168711004.

The spelling of 213436430 in words is "two hundred thirteen million, four hundred thirty-six thousand, four hundred thirty".