10903949 has 4 divisors (see below), whose sum is σ = 12461664. Its totient is φ = 9346236.

The previous prime is 10903939. The next prime is 10903951. The reversal of 10903949 is 94930901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94930901 = 13 ⋅7302377.

It is a cyclic number.

It is not a de Polignac number, because 10903949 - 2¹⁶ = 10838413 is a prime.

It is a super-2 number, since 2×10903949² = 237792207589202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10903939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778847 + ... + 778860.

It is an arithmetic number, because the mean of its divisors is an integer number (3115416).

Almost surely, 2^10903949 is an apocalyptic number.

It is an amenable number.

10903949 is a deficient number, since it is larger than the sum of its proper divisors (1557715).

10903949 is an equidigital number, since it uses as much as digits as its factorization.

10903949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557714.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 10903949 is about 3302.1128084910. The cubic root of 10903949 is about 221.7487960187.

The spelling of 10903949 in words is "ten million, nine hundred three thousand, nine hundred forty-nine".