402283308 has 96 divisors (see below), whose sum is σ = 1163731968. Its totient is φ = 105523200.

The previous prime is 402283307. The next prime is 402283309. The reversal of 402283308 is 803382204.

It is an interprime number because it is at equal distance from previous prime (402283307) and next prime (402283309).

It is not an unprimeable number, because it can be changed into a prime (402283307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55113 + ... + 61983.

It is an arithmetic number, because the mean of its divisors is an integer number (12122208).

Almost surely, 2^402283308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402283308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581865984).

402283308 is an abundant number, since it is smaller than the sum of its proper divisors (761448660).

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

402283308 is a wasteful number, since it uses less digits than its factorization.

402283308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943 (or 6941 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 402283308 is about 20057.0014708081. The cubic root of 402283308 is about 738.2056036599.

The spelling of 402283308 in words is "four hundred two million, two hundred eighty-three thousand, three hundred eight".