8025402 has 64 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 2009280.

The previous prime is 8025389. The next prime is 8025421. The reversal of 8025402 is 2045208.

8025402 = 89² + 90² + ... + 291².

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13099 + ... + 13697.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 2^8025402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8025402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368000).

8025402 is an abundant number, since it is smaller than the sum of its proper divisors (12710598).

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

8025402 is a wasteful number, since it uses less digits than its factorization.

8025402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 8025402 is about 2832.9140474077. The cubic root of 8025402 is about 200.2114596786.

The spelling of 8025402 in words is "eight million, twenty-five thousand, four hundred two".