236434401 has 24 divisors (see below), whose sum is σ = 390808704. Its totient is φ = 134930880.

The previous prime is 236434397. The next prime is 236434421. The reversal of 236434401 is 104434632.

It is not a de Polignac number, because 236434401 - 2² = 236434397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (236434421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58981 + ... + 62861.

It is an arithmetic number, because the mean of its divisors is an integer number (16283696).

Almost surely, 2^236434401 is an apocalyptic number.

236434401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

236434401 is a deficient number, since it is larger than the sum of its proper divisors (154374303).

236434401 is a wasteful number, since it uses less digits than its factorization.

236434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 236434401 is about 15376.4235438544. The cubic root of 236434401 is about 618.3535931701.

The spelling of 236434401 in words is "two hundred thirty-six million, four hundred thirty-four thousand, four hundred one".