603401400 has 480 divisors, whose sum is σ = 2544078240. Its totient is φ = 129392640.

The previous prime is 603401353. The next prime is 603401419. The reversal of 603401400 is 4104306.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1927644 + ... + 1927956.

It is an arithmetic number, because the mean of its divisors is an integer number (5300163).

Almost surely, 2^603401400 is an apocalyptic number.

603401400 is a gapful number since it is divisible by the number (60) 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 603401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272039120).

603401400 is an abundant number, since it is smaller than the sum of its proper divisors (1940676840).

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

603401400 is a wasteful number, since it uses less digits than its factorization.

603401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 603401400 is about 24564.2300917411. The cubic root of 603401400 is about 845.0234695814.

Adding to 603401400 its reverse (4104306), we get a palindrome (607505706).

The spelling of 603401400 in words is "six hundred three million, four hundred one thousand, four hundred".