10420929 has 24 divisors (see below), whose sum is σ = 15934464. Its totient is φ = 6552000.

The previous prime is 10420903. The next prime is 10420933. The reversal of 10420929 is 92902401.

It is not a de Polignac number, because 10420929 - 2⁷ = 10420801 is a prime.

It is a super-2 number, since 2×10420929² = 217191522446082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10420999) 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, 10984 + ... + 11894.

It is an arithmetic number, because the mean of its divisors is an integer number (663936).

Almost surely, 2^10420929 is an apocalyptic number.

It is an amenable number.

10420929 is a deficient number, since it is larger than the sum of its proper divisors (5513535).

10420929 is a wasteful number, since it uses less digits than its factorization.

10420929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10420929 is about 3228.1463721461. The cubic root of 10420929 is about 218.4249000512.

The spelling of 10420929 in words is "ten million, four hundred twenty thousand, nine hundred twenty-nine".