1039963421 has 8 divisors (see below), whose sum is σ = 1192403520. Its totient is φ = 888491808.

The previous prime is 1039963409. The next prime is 1039963427. The reversal of 1039963421 is 1243699301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1039963421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039963427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239816 + ... + 244113.

It is an arithmetic number, because the mean of its divisors is an integer number (149050440).

Almost surely, 2^1039963421 is an apocalyptic number.

It is an amenable number.

1039963421 is a deficient number, since it is larger than the sum of its proper divisors (152440099).

1039963421 is an equidigital number, since it uses as much as digits as its factorization.

1039963421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484243.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1039963421 is about 32248.4638548877. The cubic root of 1039963421 is about 1013.1475253611.

The spelling of 1039963421 in words is "one billion, thirty-nine million, nine hundred sixty-three thousand, four hundred twenty-one".