920437669 has 4 divisors (see below), whose sum is σ = 923937696. Its totient is φ = 916937644.

The previous prime is 920437657. The next prime is 920437673. The reversal of 920437669 is 966734029.

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: 966734029 = 509 ⋅1899281.

It is a cyclic number.

It is not a de Polignac number, because 920437669 - 2⁹ = 920437157 is a prime.

It is a super-2 number, since 2×920437669² = 1694411005028307122, 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 (920437619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749619 + ... + 1750144.

It is an arithmetic number, because the mean of its divisors is an integer number (230984424).

Almost surely, 2^920437669 is an apocalyptic number.

It is an amenable number.

920437669 is a deficient number, since it is larger than the sum of its proper divisors (3500027).

920437669 is a wasteful number, since it uses less digits than its factorization.

920437669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500026.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 920437669 is about 30338.7156781562. The cubic root of 920437669 is about 972.7430307462.

The spelling of 920437669 in words is "nine hundred twenty million, four hundred thirty-seven thousand, six hundred sixty-nine".