30285402 has 32 divisors (see below), whose sum is σ = 70364544. Its totient is φ = 8510400.

The previous prime is 30285391. The next prime is 30285403. The reversal of 30285402 is 20458203.

It is a super-3 number, since 3×30285402³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30285403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3349 + ... + 8472.

It is an arithmetic number, because the mean of its divisors is an integer number (2198892).

Almost surely, 2^30285402 is an apocalyptic number.

30285402 is an abundant number, since it is smaller than the sum of its proper divisors (40079142).

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

30285402 is a wasteful number, since it uses less digits than its factorization.

30285402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 30285402 is about 5503.2174225629. The cubic root of 30285402 is about 311.7054872034.

The spelling of 30285402 in words is "thirty million, two hundred eighty-five thousand, four hundred two".