10381995 has 24 divisors (see below), whose sum is σ = 19380816. Its totient is φ = 5110848.

The previous prime is 10381991. The next prime is 10382003. The reversal of 10381995 is 59918301.

It is a happy number.

It is not a de Polignac number, because 10381995 - 2² = 10381991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10381991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8289 + ... + 9458.

It is an arithmetic number, because the mean of its divisors is an integer number (807534).

Almost surely, 2^10381995 is an apocalyptic number.

10381995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10381995 is a deficient number, since it is larger than the sum of its proper divisors (8998821).

10381995 is a wasteful number, since it uses less digits than its factorization.

10381995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17771 (or 17768 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 10381995 is about 3222.1103333064. The cubic root of 10381995 is about 218.1525389214.

The spelling of 10381995 in words is "ten million, three hundred eighty-one thousand, nine hundred ninety-five".