30425386 has 8 divisors (see below), whose sum is σ = 45686340. Its totient is φ = 15196608.

The previous prime is 30425383. The next prime is 30425387. The reversal of 30425386 is 68352403.

It can be written as a sum of positive squares in 2 ways, for example, as 25694761 + 4730625 = 5069^2 + 2175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×30425386⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (30425383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5521 + ... + 9556.

Almost surely, 2^30425386 is an apocalyptic number.

30425386 is a deficient number, since it is larger than the sum of its proper divisors (15260954).

30425386 is a wasteful number, since it uses less digits than its factorization.

30425386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 30425386 is about 5515.9211379424. The cubic root of 30425386 is about 312.1850001336.

Adding to 30425386 its reverse (68352403), we get a palindrome (98777789).

The spelling of 30425386 in words is "thirty million, four hundred twenty-five thousand, three hundred eighty-six".