1934331906 has 64 divisors (see below), whose sum is σ = 4309401600. Its totient is φ = 575055936.

The previous prime is 1934331877. The next prime is 1934331911. The reversal of 1934331906 is 6091334391.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286275 + ... + 292953.

It is an arithmetic number, because the mean of its divisors is an integer number (67334400).

Almost surely, 2^1934331906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1934331906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154700800).

1934331906 is an abundant number, since it is smaller than the sum of its proper divisors (2375069694).

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

1934331906 is a wasteful number, since it uses less digits than its factorization.

1934331906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 1934331906 is about 43981.0403014754. The cubic root of 1934331906 is about 1245.9778785255.

The spelling of 1934331906 in words is "one billion, nine hundred thirty-four million, three hundred thirty-one thousand, nine hundred six".