397413380 has 96 divisors (see below), whose sum is σ = 1044852480. Its totient is φ = 123609600.

The previous prime is 397413377. The next prime is 397413383. The reversal of 397413380 is 83314793.

It is an interprime number because it is at equal distance from previous prime (397413377) and next prime (397413383).

It is not an unprimeable number, because it can be changed into a prime (397413383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105530 + ... + 109230.

It is an arithmetic number, because the mean of its divisors is an integer number (10883880).

Almost surely, 2^397413380 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 397413380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522426240).

397413380 is an abundant number, since it is smaller than the sum of its proper divisors (647439100).

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

397413380 is a wasteful number, since it uses less digits than its factorization.

397413380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 397413380 is about 19935.2296199467. The cubic root of 397413380 is about 735.2146657292.

It can be divided in two parts, 397413 and 380, that added together give a palindrome (397793).

The spelling of 397413380 in words is "three hundred ninety-seven million, four hundred thirteen thousand, three hundred eighty".