46242981 has 10 divisors (see below), whose sum is σ = 69079142. Its totient is φ = 30828600.

The previous prime is 46242947. The next prime is 46242991. The reversal of 46242981 is 18924264.

46242981 is a `hidden beast` number, since 4 + 624 + 29 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44957025 + 1285956 = 6705^2 + 1134^2 .

It is not a de Polignac number, because 46242981 - 2¹⁰ = 46241957 is a prime.

It is a super-2 number, since 2×46242981² = 4276826583532722, 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 (46242991) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 285370 + ... + 285531.

Almost surely, 2^46242981 is an apocalyptic number.

It is an amenable number.

46242981 is a deficient number, since it is larger than the sum of its proper divisors (22836161).

46242981 is an equidigital number, since it uses as much as digits as its factorization.

46242981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570913 (or 570904 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 46242981 is about 6800.2191876439. The cubic root of 46242981 is about 358.9345582046.

The spelling of 46242981 in words is "forty-six million, two hundred forty-two thousand, nine hundred eighty-one".