462181961 has 8 divisors (see below), whose sum is σ = 479157120. Its totient is φ = 445276048.

The previous prime is 462181957. The next prime is 462181963. The reversal of 462181961 is 169181264.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 462181961 - 2² = 462181957 is a prime.

It is a super-2 number, since 2×462181961² = 427224330147611042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (462181963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521 + ... + 30606.

It is an arithmetic number, because the mean of its divisors is an integer number (59894640).

Almost surely, 2^462181961 is an apocalyptic number.

It is an amenable number.

462181961 is a deficient number, since it is larger than the sum of its proper divisors (16975159).

462181961 is a wasteful number, since it uses less digits than its factorization.

462181961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34623.

The product of its digits is 20736, while the sum is 38.

The square root of 462181961 is about 21498.4176394450. The cubic root of 462181961 is about 773.1628832912.

The spelling of 462181961 in words is "four hundred sixty-two million, one hundred eighty-one thousand, nine hundred sixty-one".