1964426930 has 16 divisors (see below), whose sum is σ = 3540279744. Its totient is φ = 784812720.

The previous prime is 1964426923. The next prime is 1964426951. The reversal of 1964426930 is 396244691.

It is a happy number.

It is a Curzon 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, 111116 + ... + 127575.

It is an arithmetic number, because the mean of its divisors is an integer number (221267484).

Almost surely, 2^1964426930 is an apocalyptic number.

1964426930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1964426930 is a deficient number, since it is larger than the sum of its proper divisors (1575852814).

1964426930 is a wasteful number, since it uses less digits than its factorization.

1964426930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239521.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1964426930 is about 44321.8561208801. The cubic root of 1964426930 is about 1252.4064426541.

The spelling of 1964426930 in words is "one billion, nine hundred sixty-four million, four hundred twenty-six thousand, nine hundred thirty".