236421402 has 16 divisors (see below), whose sum is σ = 540391872. Its totient is φ = 67548960.

The previous prime is 236421401. The next prime is 236421509. The reversal of 236421402 is 204124632.

It is not an unprimeable number, because it can be changed into a prime (236421401) 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, 2814499 + ... + 2814582.

It is an arithmetic number, because the mean of its divisors is an integer number (33774492).

Almost surely, 2^236421402 is an apocalyptic number.

236421402 is an abundant number, since it is smaller than the sum of its proper divisors (303970470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

236421402 is a wasteful number, since it uses less digits than its factorization.

236421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629093.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 236421402 is about 15376.0008454734. Note that the first 3 decimals coincide. The cubic root of 236421402 is about 618.3422607446.

The spelling of 236421402 in words is "two hundred thirty-six million, four hundred twenty-one thousand, four hundred two".