103440294 has 64 divisors (see below), whose sum is σ = 247968000. Its totient is φ = 31855680.

The previous prime is 103440287. The next prime is 103440299. The reversal of 103440294 is 492044301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40837 + ... + 43295.

It is an arithmetic number, because the mean of its divisors is an integer number (3874500).

Almost surely, 2^103440294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103440294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123984000).

103440294 is an abundant number, since it is smaller than the sum of its proper divisors (144527706).

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

103440294 is a wasteful number, since it uses less digits than its factorization.

103440294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 103440294 is about 10170.5601615644. The cubic root of 103440294 is about 469.4217938718.

Adding to 103440294 its reverse (492044301), we get a palindrome (595484595).

It can be divided in two parts, 1034 and 40294, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 103440294 in words is "one hundred three million, four hundred forty thousand, two hundred ninety-four".