216377932 has 12 divisors (see below), whose sum is σ = 391718880. Its totient is φ = 104458256.

The previous prime is 216377911. The next prime is 216377963. The reversal of 216377932 is 239773612.

216377932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932548 + ... + 932779.

It is an arithmetic number, because the mean of its divisors is an integer number (32643240).

Almost surely, 2^216377932 is an apocalyptic number.

It is an amenable number.

216377932 is a deficient number, since it is larger than the sum of its proper divisors (175340948).

216377932 is a wasteful number, since it uses less digits than its factorization.

216377932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865360 (or 1865358 counting only the distinct ones).

The product of its digits is 95256, while the sum is 40.

The square root of 216377932 is about 14709.7903452089. The cubic root of 216377932 is about 600.3497331420.

The spelling of 216377932 in words is "two hundred sixteen million, three hundred seventy-seven thousand, nine hundred thirty-two".