491429700 has 72 divisors (see below), whose sum is σ = 1579864160. Its totient is φ = 131047200.

The previous prime is 491429689. The next prime is 491429711. The reversal of 491429700 is 7924194.

It is an interprime number because it is at equal distance from previous prime (491429689) and next prime (491429711).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88306 + ... + 93705.

Almost surely, 2^491429700 is an apocalyptic number.

It is an amenable number.

491429700 is an abundant number, since it is smaller than the sum of its proper divisors (1088434460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491429700 is a wasteful number, since it uses less digits than its factorization.

491429700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182034 (or 182021 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 491429700 is about 22168.2137304745. The cubic root of 491429700 is about 789.1395320606.

The spelling of 491429700 in words is "four hundred ninety-one million, four hundred twenty-nine thousand, seven hundred".