46420991 has 2 divisors, whose sum is σ = 46420992. Its totient is φ = 46420990.

The previous prime is 46420961. The next prime is 46421027. The reversal of 46420991 is 19902464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46420991 - 2¹⁴ = 46404607 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46420901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23210495 + 23210496.

It is an arithmetic number, because the mean of its divisors is an integer number (23210496).

Almost surely, 2^46420991 is an apocalyptic number.

46420991 is a deficient number, since it is larger than the sum of its proper divisors (1).

46420991 is an equidigital number, since it uses as much as digits as its factorization.

46420991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 46420991 is about 6813.2951646028. The cubic root of 46420991 is about 359.3945352556.

The spelling of 46420991 in words is "forty-six million, four hundred twenty thousand, nine hundred ninety-one".