409213002 has 32 divisors (see below), whose sum is σ = 900745920. Its totient is φ = 122904320.

The previous prime is 409212943. The next prime is 409213003. The reversal of 409213002 is 200312904.

It is a self number, because there is not a number n which added to its sum of digits gives 409213002.

It is not an unprimeable number, because it can be changed into a prime (409213003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19977 + ... + 34892.

It is an arithmetic number, because the mean of its divisors is an integer number (28148310).

Almost surely, 2^409213002 is an apocalyptic number.

409213002 is an abundant number, since it is smaller than the sum of its proper divisors (491532918).

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

409213002 is a wasteful number, since it uses less digits than its factorization.

409213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54998.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 409213002 is about 20229.0138662269. The cubic root of 409213002 is about 742.4202483241.

Adding to 409213002 its reverse (200312904), we get a palindrome (609525906).

The spelling of 409213002 in words is "four hundred nine million, two hundred thirteen thousand, two".