460261989 has 24 divisors (see below), whose sum is σ = 732318912. Its totient is φ = 276232320.

The previous prime is 460261957. The next prime is 460262003. The reversal of 460261989 is 989162064.

It is a happy number.

It is not a de Polignac number, because 460261989 - 2⁵ = 460261957 is a prime.

It is a super-2 number, since 2×460261989² = 423682197036472242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460261289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12372 + ... + 32765.

It is an arithmetic number, because the mean of its divisors is an integer number (30513288).

Almost surely, 2^460261989 is an apocalyptic number.

It is an amenable number.

460261989 is a deficient number, since it is larger than the sum of its proper divisors (272056923).

460261989 is a wasteful number, since it uses less digits than its factorization.

460261989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45257 (or 45254 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 460261989 is about 21453.7173701902. The cubic root of 460261989 is about 772.0907865034.

The spelling of 460261989 in words is "four hundred sixty million, two hundred sixty-one thousand, nine hundred eighty-nine".