903242340 has 480 divisors, whose sum is σ = 3811256064. Its totient is φ = 172938240.

The previous prime is 903242303. The next prime is 903242383. The reversal of 903242340 is 43242309.

It is a happy number.

903242340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1621342 + ... + 1621898.

Almost surely, 2^903242340 is an apocalyptic number.

903242340 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 903242340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905628032).

903242340 is an abundant number, since it is smaller than the sum of its proper divisors (2908013724).

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

903242340 is a wasteful number, since it uses less digits than its factorization.

903242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 903242340 is about 30053.9904172474. The cubic root of 903242340 is about 966.6474190909.

Adding to 903242340 its reverse (43242309), we get a palindrome (946484649).

The spelling of 903242340 in words is "nine hundred three million, two hundred forty-two thousand, three hundred forty".