350404005 has 64 divisors (see below), whose sum is σ = 669892608. Its totient is φ = 153031680.

The previous prime is 350403959. The next prime is 350404007. The reversal of 350404005 is 500404053.

It is a happy number.

It is not a de Polignac number, because 350404005 - 2⁸ = 350403749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350404007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 269517 + ... + 270813.

It is an arithmetic number, because the mean of its divisors is an integer number (10467072).

Almost surely, 2^350404005 is an apocalyptic number.

350404005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

350404005 is a deficient number, since it is larger than the sum of its proper divisors (319488603).

350404005 is a wasteful number, since it uses less digits than its factorization.

350404005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 350404005 is about 18719.0813075856. The cubic root of 350404005 is about 705.0009255056. Note that the first 3 decimals are identical.

Adding to 350404005 its reverse (500404053), we get a palindrome (850808058).

The spelling of 350404005 in words is "three hundred fifty million, four hundred four thousand, five".