903668400 has 240 divisors, whose sum is σ = 3259250720. Its totient is φ = 240744960.

The previous prime is 903668399. The next prime is 903668453. The reversal of 903668400 is 4866309.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874284 + ... + 875316.

Almost surely, 2^903668400 is an apocalyptic number.

903668400 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 903668400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629625360).

903668400 is an abundant number, since it is smaller than the sum of its proper divisors (2355582320).

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

903668400 is a wasteful number, since it uses less digits than its factorization.

903668400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 903668400 is about 30061.0778249882. The cubic root of 903668400 is about 966.7993846051.

The spelling of 903668400 in words is "nine hundred three million, six hundred sixty-eight thousand, four hundred".