30000402 has 32 divisors (see below), whose sum is σ = 67008960. Its totient is φ = 9948960.

The previous prime is 30000401. The next prime is 30000419. The reversal of 30000402 is 20400003.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30000401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10078 + ... + 12710.

It is an arithmetic number, because the mean of its divisors is an integer number (2094030).

Almost surely, 2^30000402 is an apocalyptic number.

30000402 is an abundant number, since it is smaller than the sum of its proper divisors (37008558).

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

30000402 is a wasteful number, since it uses less digits than its factorization.

30000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30000402 is about 5477.2622723401. The cubic root of 30000402 is about 310.7246384864.

Adding to 30000402 its reverse (20400003), we get a palindrome (50400405).

The spelling of 30000402 in words is "thirty million, four hundred two", and thus it is an aban number.