396111380 has 24 divisors (see below), whose sum is σ = 950667648. Its totient is φ = 135809568.

The previous prime is 396111379. The next prime is 396111403. The reversal of 396111380 is 83111693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414544 + ... + 1414823.

It is an arithmetic number, because the mean of its divisors is an integer number (39611152).

Almost surely, 2^396111380 is an apocalyptic number.

It is an amenable number.

396111380 is an abundant number, since it is smaller than the sum of its proper divisors (554556268).

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

396111380 is a wasteful number, since it uses less digits than its factorization.

396111380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829383 (or 2829381 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 396111380 is about 19902.5470731763. The cubic root of 396111380 is about 734.4108874087.

The spelling of 396111380 in words is "three hundred ninety-six million, one hundred eleven thousand, three hundred eighty".