33030402 has 16 divisors (see below), whose sum is σ = 67144512. Its totient is φ = 10829520.

The previous prime is 33030373. The next prime is 33030409. The reversal of 33030402 is 20403033.

It is not an unprimeable number, because it can be changed into a prime (33030409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44758 + ... + 45489.

It is an arithmetic number, because the mean of its divisors is an integer number (4196532).

Almost surely, 2^33030402 is an apocalyptic number.

33030402 is an abundant number, since it is smaller than the sum of its proper divisors (34114110).

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

33030402 is a wasteful number, since it uses less digits than its factorization.

33030402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90313.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 33030402 is about 5747.2081918093. The cubic root of 33030402 is about 320.8519032298.

Adding to 33030402 its reverse (20403033), we get a palindrome (53433435).

The spelling of 33030402 in words is "thirty-three million, thirty thousand, four hundred two".