1397908200 has 192 divisors, whose sum is σ = 4690949760. Its totient is φ = 342328320.

The previous prime is 1397908159. The next prime is 1397908201. The reversal of 1397908200 is 28097931.

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

It is not an unprimeable number, because it can be changed into a prime (1397908201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2160277 + ... + 2160923.

It is an arithmetic number, because the mean of its divisors is an integer number (24432030).

Almost surely, 2^1397908200 is an apocalyptic number.

1397908200 is a gapful number since it is divisible by the number (10) 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 1397908200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2345474880).

1397908200 is an abundant number, since it is smaller than the sum of its proper divisors (3293041560).

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

1397908200 is a wasteful number, since it uses less digits than its factorization.

1397908200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1397908200 is about 37388.6105652510. The cubic root of 1397908200 is about 1118.1315039944.

The spelling of 1397908200 in words is "one billion, three hundred ninety-seven million, nine hundred eight thousand, two hundred".