8436402 has 48 divisors (see below), whose sum is σ = 20337408. Its totient is φ = 2509920.

The previous prime is 8436401. The next prime is 8436409. The reversal of 8436402 is 2046348.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8436401) 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, 6673 + ... + 7835.

It is an arithmetic number, because the mean of its divisors is an integer number (423696).

Almost surely, 2^8436402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8436402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10168704).

8436402 is an abundant number, since it is smaller than the sum of its proper divisors (11901006).

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

8436402 is a wasteful number, since it uses less digits than its factorization.

8436402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 8436402 is about 2904.5485019190. The cubic root of 8436402 is about 203.5724899562.

The spelling of 8436402 in words is "eight million, four hundred thirty-six thousand, four hundred two".