10399155 has 32 divisors (see below), whose sum is σ = 18978624. Its totient is φ = 4816896.

The previous prime is 10399127. The next prime is 10399171. The reversal of 10399155 is 55199301.

It is not a de Polignac number, because 10399155 - 2¹² = 10395059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1747 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (593082).

Almost surely, 2^10399155 is an apocalyptic number.

10399155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10399155 is a deficient number, since it is larger than the sum of its proper divisors (8579469).

10399155 is a wasteful number, since it uses less digits than its factorization.

10399155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 10399155 is about 3224.7720849697. The cubic root of 10399155 is about 218.2726647407.

The spelling of 10399155 in words is "ten million, three hundred ninety-nine thousand, one hundred fifty-five".