492489405 has 96 divisors (see below), whose sum is σ = 983024640. Its totient is φ = 226437120.

The previous prime is 492489383. The next prime is 492489407. The reversal of 492489405 is 504984294.

It is not a de Polignac number, because 492489405 - 2⁵ = 492489373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492489407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 450039 + ... + 451131.

It is an arithmetic number, because the mean of its divisors is an integer number (10239840).

Almost surely, 2^492489405 is an apocalyptic number.

492489405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

492489405 is a deficient number, since it is larger than the sum of its proper divisors (490535235).

492489405 is a wasteful number, since it uses less digits than its factorization.

492489405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 492489405 is about 22192.1023114080. The cubic root of 492489405 is about 789.7063508309.

It can be divided in two parts, 49248 and 9405, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 492489405 in words is "four hundred ninety-two million, four hundred eighty-nine thousand, four hundred five".