103278994 has 16 divisors (see below), whose sum is σ = 190669248. Its totient is φ = 40857552.

The previous prime is 103278983. The next prime is 103278997. The reversal of 103278994 is 499872301.

It is a self number, because there is not a number n which added to its sum of digits gives 103278994.

It is not an unprimeable number, because it can be changed into a prime (103278997) 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, 283552 + ... + 283915.

It is an arithmetic number, because the mean of its divisors is an integer number (11916828).

Almost surely, 2^103278994 is an apocalyptic number.

103278994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

103278994 is a deficient number, since it is larger than the sum of its proper divisors (87390254).

103278994 is a wasteful number, since it uses less digits than its factorization.

103278994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567489.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 103278994 is about 10162.6273177757. The cubic root of 103278994 is about 469.1776687394.

It can be divided in two parts, 10327 and 8994, that added together give a square (19321 = 139²).

The spelling of 103278994 in words is "one hundred three million, two hundred seventy-eight thousand, nine hundred ninety-four".