30406052 has 12 divisors (see below), whose sum is σ = 53268096. Its totient is φ = 15186600.

The previous prime is 30406043. The next prime is 30406067. The reversal of 30406052 is 25060403.

It is a super-3 number, since 3×30406052³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (4439008).

Almost surely, 2^30406052 is an apocalyptic number.

It is an amenable number.

30406052 is a deficient number, since it is larger than the sum of its proper divisors (22862044).

30406052 is a wasteful number, since it uses less digits than its factorization.

30406052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218 (or 8216 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30406052 is about 5514.1682963072. The cubic root of 30406052 is about 312.1188594911.

Adding to 30406052 its reverse (25060403), we get a palindrome (55466455).

The spelling of 30406052 in words is "thirty million, four hundred six thousand, fifty-two".