421615036 has 6 divisors (see below), whose sum is σ = 737826320. Its totient is φ = 210807516.

The previous prime is 421615031. The next prime is 421615057. The reversal of 421615036 is 630516124.

It is a junction number, because it is equal to n+sod(n) for n = 421614995 and 421615013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421615031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52701876 + ... + 52701883.

Almost surely, 2^421615036 is an apocalyptic number.

It is an amenable number.

421615036 is a deficient number, since it is larger than the sum of its proper divisors (316211284).

421615036 is a wasteful number, since it uses less digits than its factorization.

421615036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105403763 (or 105403761 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 421615036 is about 20533.2665691555. The cubic root of 421615036 is about 749.8459156054.

The spelling of 421615036 in words is "four hundred twenty-one million, six hundred fifteen thousand, thirty-six".