30214388 has 6 divisors (see below), whose sum is σ = 52875186. Its totient is φ = 15107192.

The previous prime is 30214363. The next prime is 30214397. The reversal of 30214388 is 88341203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27583504 + 2630884 = 5252^2 + 1622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30214388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3776795 + ... + 3776802.

It is an arithmetic number, because the mean of its divisors is an integer number (8812531).

Almost surely, 2^30214388 is an apocalyptic number.

It is an amenable number.

30214388 is a deficient number, since it is larger than the sum of its proper divisors (22660798).

30214388 is a wasteful number, since it uses less digits than its factorization.

30214388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553601 (or 7553599 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 30214388 is about 5496.7615920649. The cubic root of 30214388 is about 311.4616648133.

The spelling of 30214388 in words is "thirty million, two hundred fourteen thousand, three hundred eighty-eight".