406164398 has 4 divisors (see below), whose sum is σ = 609246600. Its totient is φ = 203082198.

The previous prime is 406164397. The next prime is 406164419. The reversal of 406164398 is 893461604.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406164397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101541098 + ... + 101541101.

It is an arithmetic number, because the mean of its divisors is an integer number (152311650).

Almost surely, 2^406164398 is an apocalyptic number.

406164398 is a deficient number, since it is larger than the sum of its proper divisors (203082202).

406164398 is a wasteful number, since it uses less digits than its factorization.

406164398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203082201.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 406164398 is about 20153.5207346012. The cubic root of 406164398 is about 740.5719938398.

The spelling of 406164398 in words is "four hundred six million, one hundred sixty-four thousand, three hundred ninety-eight".