100478436 has 24 divisors (see below), whose sum is σ = 236773824. Its totient is φ = 33160800.

The previous prime is 100478431. The next prime is 100478437. The reversal of 100478436 is 634874001.

It is a super-2 number, since 2×100478436² = 20191832202012192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100478397 and 100478406.

It is not an unprimeable number, because it can be changed into a prime (100478431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40240 + ... + 42663.

It is an arithmetic number, because the mean of its divisors is an integer number (9865576).

Almost surely, 2^100478436 is an apocalyptic number.

It is an amenable number.

100478436 is an abundant number, since it is smaller than the sum of its proper divisors (136295388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100478436 is a wasteful number, since it uses less digits than its factorization.

100478436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83011 (or 83009 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 100478436 is about 10023.8932556168. The cubic root of 100478436 is about 464.8979403715.

The spelling of 100478436 in words is "one hundred million, four hundred seventy-eight thousand, four hundred thirty-six".