1908213934 has 32 divisors (see below), whose sum is σ = 3164832000. Its totient is φ = 855666240.

The previous prime is 1908213877. The next prime is 1908213971. The reversal of 1908213934 is 4393128091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172029 + ... + 1173655.

It is an arithmetic number, because the mean of its divisors is an integer number (98901000).

Almost surely, 2^1908213934 is an apocalyptic number.

1908213934 is a deficient number, since it is larger than the sum of its proper divisors (1256618066).

1908213934 is a wasteful number, since it uses less digits than its factorization.

1908213934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1908213934 is about 43683.1081082837. The cubic root of 1908213934 is about 1240.3445829552.

The spelling of 1908213934 in words is "one billion, nine hundred eight million, two hundred thirteen thousand, nine hundred thirty-four".