39063421 has 2 divisors, whose sum is σ = 39063422. Its totient is φ = 39063420.

The previous prime is 39063413. The next prime is 39063461. The reversal of 39063421 is 12436093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 1179396 = 6155^2 + 1086^2 .

It is a cyclic number.

It is not a de Polignac number, because 39063421 - 2³ = 39063413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39063421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39063461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19531710 + 19531711.

It is an arithmetic number, because the mean of its divisors is an integer number (19531711).

Almost surely, 2^39063421 is an apocalyptic number.

It is an amenable number.

39063421 is a deficient number, since it is larger than the sum of its proper divisors (1).

39063421 is an equidigital number, since it uses as much as digits as its factorization.

39063421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 39063421 is about 6250.0736795657. The cubic root of 39063421 is about 339.3048686973.

The spelling of 39063421 in words is "thirty-nine million, sixty-three thousand, four hundred twenty-one".