398734050 has 192 divisors, whose sum is σ = 1203672960. Its totient is φ = 86016000.

The previous prime is 398734027. The next prime is 398734067. The reversal of 398734050 is 50437893.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 621730 + ... + 622370.

It is an arithmetic number, because the mean of its divisors is an integer number (6269130).

Almost surely, 2^398734050 is an apocalyptic number.

398734050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 398734050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601836480).

398734050 is an abundant number, since it is smaller than the sum of its proper divisors (804938910).

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

398734050 is a wasteful number, since it uses less digits than its factorization.

398734050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 398734050 is about 19968.3261692111. The cubic root of 398734050 is about 736.0281783182.

The spelling of 398734050 in words is "three hundred ninety-eight million, seven hundred thirty-four thousand, fifty".