38961953 has 2 divisors, whose sum is σ = 38961954. Its totient is φ = 38961952.

The previous prime is 38961887. The next prime is 38961959. The reversal of 38961953 is 35916983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25331089 + 13630864 = 5033^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 38961953 - 2¹² = 38957857 is a prime.

It is not a weakly prime, because it can be changed into another prime (38961959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19480976 + 19480977.

It is an arithmetic number, because the mean of its divisors is an integer number (19480977).

Almost surely, 2^38961953 is an apocalyptic number.

It is an amenable number.

38961953 is a deficient number, since it is larger than the sum of its proper divisors (1).

38961953 is an equidigital number, since it uses as much as digits as its factorization.

38961953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 38961953 is about 6241.9510571615. The cubic root of 38961953 is about 339.0108302826.

The spelling of 38961953 in words is "thirty-eight million, nine hundred sixty-one thousand, nine hundred fifty-three".