1964023790 has 16 divisors (see below), whose sum is σ = 3536941680. Its totient is φ = 785232000.

The previous prime is 1964023783. The next prime is 1964023793. The reversal of 1964023790 is 973204691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964023793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24836 + ... + 67415.

It is an arithmetic number, because the mean of its divisors is an integer number (221058855).

Almost surely, 2^1964023790 is an apocalyptic number.

1964023790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1964023790 is a deficient number, since it is larger than the sum of its proper divisors (1572917890).

1964023790 is a wasteful number, since it uses less digits than its factorization.

1964023790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94387.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1964023790 is about 44317.3080184255. The cubic root of 1964023790 is about 1252.3207637778.

The spelling of 1964023790 in words is "one billion, nine hundred sixty-four million, twenty-three thousand, seven hundred ninety".