38961255 has 16 divisors (see below), whose sum is σ = 62957664. Its totient is φ = 20572800.

The previous prime is 38961253. The next prime is 38961257. The reversal of 38961255 is 55216983.

It is an interprime number because it is at equal distance from previous prime (38961253) and next prime (38961257).

It is not a de Polignac number, because 38961255 - 2¹ = 38961253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38961253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11344 + ... + 14373.

It is an arithmetic number, because the mean of its divisors is an integer number (3934854).

Almost surely, 2^38961255 is an apocalyptic number.

38961255 is a deficient number, since it is larger than the sum of its proper divisors (23996409).

38961255 is a wasteful number, since it uses less digits than its factorization.

38961255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25826.

The product of its digits is 64800, while the sum is 39.

The square root of 38961255 is about 6241.8951449059. The cubic root of 38961255 is about 339.0088058206.

It can be divided in two parts, 3896 and 1255, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 38961255 in words is "thirty-eight million, nine hundred sixty-one thousand, two hundred fifty-five".