398707600 has 120 divisors (see below), whose sum is σ = 988061760. Its totient is φ = 154560000.

The previous prime is 398707583. The next prime is 398707619. The reversal of 398707600 is 6707893.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2868331 + ... + 2868469.

It is an arithmetic number, because the mean of its divisors is an integer number (8233848).

Almost surely, 2^398707600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398707600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494030880).

398707600 is an abundant number, since it is smaller than the sum of its proper divisors (589354160).

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

398707600 is a wasteful number, since it uses less digits than its factorization.

398707600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 398707600 is about 19967.6638593502. The cubic root of 398707600 is about 736.0119031629.

The spelling of 398707600 in words is "three hundred ninety-eight million, seven hundred seven thousand, six hundred".