3890093957 has 2 divisors, whose sum is σ = 3890093958. Its totient is φ = 3890093956.

The previous prime is 3890093951. The next prime is 3890093971. The reversal of 3890093957 is 7593900983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3624762436 + 265331521 = 60206^2 + 16289^2 .

It is a cyclic number.

It is not a de Polignac number, because 3890093957 - 2¹⁰ = 3890092933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3890093899 and 3890093908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3890093951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945046978 + 1945046979.

It is an arithmetic number, because the mean of its divisors is an integer number (1945046979).

Almost surely, 2^3890093957 is an apocalyptic number.

It is an amenable number.

3890093957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3890093957 is an equidigital number, since it uses as much as digits as its factorization.

3890093957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 3890093957 is about 62370.6177378419. The cubic root of 3890093957 is about 1572.7270759754.

The spelling of 3890093957 in words is "three billion, eight hundred ninety million, ninety-three thousand, nine hundred fifty-seven".