30209092 has 12 divisors (see below), whose sum is σ = 53460540. Its totient is φ = 14934656.

The previous prime is 30209089. The next prime is 30209167. The reversal of 30209092 is 29090203.

30209092 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 2 ways, for example, as 7322436 + 22886656 = 2706^2 + 4784^2 .

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, 42073 + ... + 42784.

It is an arithmetic number, because the mean of its divisors is an integer number (4455045).

Almost surely, 2^30209092 is an apocalyptic number.

It is an amenable number.

30209092 is a deficient number, since it is larger than the sum of its proper divisors (23251448).

30209092 is a wasteful number, since it uses less digits than its factorization.

30209092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84950 (or 84948 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 30209092 is about 5496.2798327596. The cubic root of 30209092 is about 311.4434660072.

Adding to 30209092 its reverse (29090203), we get a palindrome (59299295).

The spelling of 30209092 in words is "thirty million, two hundred nine thousand, ninety-two".