102396418 has 4 divisors (see below), whose sum is σ = 153594630. Its totient is φ = 51198208.

The previous prime is 102396407. The next prime is 102396421. The reversal of 102396418 is 814693201.

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

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 20367169 = 9057^2 + 4513^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25599103 + ... + 25599106.

Almost surely, 2^102396418 is an apocalyptic number.

102396418 is a deficient number, since it is larger than the sum of its proper divisors (51198212).

102396418 is an equidigital number, since it uses as much as digits as its factorization.

102396418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51198211.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 102396418 is about 10119.1115222632. Note that the first 3 decimals coincide. The cubic root of 102396418 is about 467.8373829299.

The spelling of 102396418 in words is "one hundred two million, three hundred ninety-six thousand, four hundred eighteen".