464087869 has 12 divisors (see below), whose sum is σ = 540399900. Its totient is φ = 397389888.

The previous prime is 464087851. The next prime is 464087903. The reversal of 464087869 is 968780464.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214036900 + 250050969 = 14630^2 + 15813^2 .

It is not a de Polignac number, because 464087869 - 2⁵ = 464087837 is a prime.

It is a super-2 number, since 2×464087869² = 430755100305922322, 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 (464087069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51127 + ... + 59515.

It is an arithmetic number, because the mean of its divisors is an integer number (45033325).

Almost surely, 2^464087869 is an apocalyptic number.

464087869 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

464087869 is a deficient number, since it is larger than the sum of its proper divisors (76312031).

464087869 is a wasteful number, since it uses less digits than its factorization.

464087869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532 (or 9525 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 464087869 is about 21542.6987399444. The cubic root of 464087869 is about 774.2241943025.

The spelling of 464087869 in words is "four hundred sixty-four million, eighty-seven thousand, eight hundred sixty-nine".