30347485 has 24 divisors (see below), whose sum is σ = 43145856. Its totient is φ = 20072640.

The previous prime is 30347483. The next prime is 30347489. The reversal of 30347485 is 58474303.

It is a happy number.

It is not a de Polignac number, because 30347485 - 2¹ = 30347483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30347485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30347483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28920 + ... + 29950.

It is an arithmetic number, because the mean of its divisors is an integer number (1797744).

Almost surely, 2^30347485 is an apocalyptic number.

30347485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30347485 is a deficient number, since it is larger than the sum of its proper divisors (12798371).

30347485 is a wasteful number, since it uses less digits than its factorization.

30347485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 30347485 is about 5508.8551442201. The cubic root of 30347485 is about 311.9183334633.

The spelling of 30347485 in words is "thirty million, three hundred forty-seven thousand, four hundred eighty-five".