46426381 has 2 divisors, whose sum is σ = 46426382. Its totient is φ = 46426380.

The previous prime is 46426349. The next prime is 46426409. The reversal of 46426381 is 18362464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36409156 + 10017225 = 6034^2 + 3165^2 .

It is a cyclic number.

It is not a de Polignac number, because 46426381 - 2⁵ = 46426349 is a prime.

It is a super-2 number, since 2×46426381² = 4310817705514322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46426301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23213190 + 23213191.

It is an arithmetic number, because the mean of its divisors is an integer number (23213191).

Almost surely, 2^46426381 is an apocalyptic number.

It is an amenable number.

46426381 is a deficient number, since it is larger than the sum of its proper divisors (1).

46426381 is an equidigital number, since it uses as much as digits as its factorization.

46426381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 46426381 is about 6813.6907032826. The cubic root of 46426381 is about 359.4084446354.

The spelling of 46426381 in words is "forty-six million, four hundred twenty-six thousand, three hundred eighty-one".