1964882930 has 16 divisors (see below), whose sum is σ = 3539775384. Its totient is φ = 785289600.

The previous prime is 1964882923. The next prime is 1964882947. The reversal of 1964882930 is 392884691.

It is a happy number.

It is a Cunningham number, because it is equal to 44327²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1932745369 + 32137561 = 43963^2 + 5669^2 .

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, 70421 + ... + 94280.

Almost surely, 2^1964882930 is an apocalyptic number.

1964882930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1964882930 is a deficient number, since it is larger than the sum of its proper divisors (1574892454).

1964882930 is a wasteful number, since it uses less digits than its factorization.

1964882930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165901.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 1964882930 is about 44327.0000112798. Note that the first 4 decimals coincide. The cubic root of 1964882930 is about 1252.5033416776.

The spelling of 1964882930 in words is "one billion, nine hundred sixty-four million, eight hundred eighty-two thousand, nine hundred thirty".