321634036 has 24 divisors (see below), whose sum is σ = 572304320. Its totient is φ = 158127552.

The previous prime is 321634031. The next prime is 321634057. The reversal of 321634036 is 630436123.

It is a super-2 number, since 2×321634036² = 206896906227298592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321633995 and 321634013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321634031) 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, 284320 + ... + 285448.

Almost surely, 2^321634036 is an apocalyptic number.

It is an amenable number.

321634036 is a deficient number, since it is larger than the sum of its proper divisors (250670284).

321634036 is a wasteful number, since it uses less digits than its factorization.

321634036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 321634036 is about 17934.1583577262. The cubic root of 321634036 is about 685.1526368793.

The spelling of 321634036 in words is "three hundred twenty-one million, six hundred thirty-four thousand, thirty-six".