920408541 has 32 divisors (see below), whose sum is σ = 1342615680. Its totient is φ = 557466624.

The previous prime is 920408537. The next prime is 920408561. The reversal of 920408541 is 145804029.

It is not a de Polignac number, because 920408541 - 2² = 920408537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920408561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 981825 + ... + 982761.

It is an arithmetic number, because the mean of its divisors is an integer number (41956740).

Almost surely, 2^920408541 is an apocalyptic number.

It is an amenable number.

920408541 is a deficient number, since it is larger than the sum of its proper divisors (422207139).

920408541 is a wasteful number, since it uses less digits than its factorization.

920408541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 920408541 is about 30338.2356276696. The cubic root of 920408541 is about 972.7327695561.

The spelling of 920408541 in words is "nine hundred twenty million, four hundred eight thousand, five hundred forty-one".