363636406 has 16 divisors (see below), whose sum is σ = 625350816. Its totient is φ = 155350656.

The previous prime is 363636401. The next prime is 363636451. The reversal of 363636406 is 604636363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363636401) 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, 36531 + ... + 45406.

It is an arithmetic number, because the mean of its divisors is an integer number (39084426).

Almost surely, 2^363636406 is an apocalyptic number.

363636406 is a deficient number, since it is larger than the sum of its proper divisors (261714410).

363636406 is a wasteful number, since it uses less digits than its factorization.

363636406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82263.

The product of its (nonzero) digits is 139968, while the sum is 37.

The square root of 363636406 is about 19069.2528956957. The cubic root of 363636406 is about 713.7658832215.

The spelling of 363636406 in words is "three hundred sixty-three million, six hundred thirty-six thousand, four hundred six".