30540336 has 20 divisors (see below), whose sum is σ = 78895992. Its totient is φ = 10180096.

The previous prime is 30540329. The next prime is 30540337. The reversal of 30540336 is 63304503.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30540337) 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, 318081 + ... + 318176.

Almost surely, 2^30540336 is an apocalyptic number.

It is an amenable number.

30540336 is an abundant number, since it is smaller than the sum of its proper divisors (48355656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30540336 is a wasteful number, since it uses less digits than its factorization.

30540336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636268 (or 636262 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 30540336 is about 5526.3311518583. The cubic root of 30540336 is about 312.5776609118.

Adding to 30540336 its reverse (63304503), we get a palindrome (93844839).

It can be divided in two parts, 30540 and 336, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 30540336 in words is "thirty million, five hundred forty thousand, three hundred thirty-six".