486240690 has 64 divisors (see below), whose sum is σ = 1260717696. Its totient is φ = 119311872.

The previous prime is 486240683. The next prime is 486240697. The reversal of 486240690 is 96042684.

It is an interprime number because it is at equal distance from previous prime (486240683) and next prime (486240697).

It is a super-2 number, since 2×486240690² = 472860017223352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (486240697) 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, 133534 + ... + 137126.

It is an arithmetic number, because the mean of its divisors is an integer number (19698714).

Almost surely, 2^486240690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 486240690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630358848).

486240690 is an abundant number, since it is smaller than the sum of its proper divisors (774477006).

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

486240690 is a wasteful number, since it uses less digits than its factorization.

486240690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 486240690 is about 22050.8659693900. The cubic root of 486240690 is about 786.3521882510.

The spelling of 486240690 in words is "four hundred eighty-six million, two hundred forty thousand, six hundred ninety".