3898445400 has 144 divisors (see below), whose sum is σ = 13118665560. Its totient is φ = 1037491200.

The previous prime is 3898445377. The next prime is 3898445471. The reversal of 3898445400 is 45448983.

It is a happy number.

3898445400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1025904 + ... + 1029696.

Almost surely, 2^3898445400 is an apocalyptic number.

3898445400 is a gapful number since it is divisible by the number (30) 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 3898445400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6559332780).

3898445400 is an abundant number, since it is smaller than the sum of its proper divisors (9220220160).

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

3898445400 is a wasteful number, since it uses less digits than its factorization.

3898445400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386 (or 4374 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 3898445400 is about 62437.5319819738. The cubic root of 3898445400 is about 1573.8517405361.

The spelling of 3898445400 in words is "three billion, eight hundred ninety-eight million, four hundred forty-five thousand, four hundred".