46206989 has 2 divisors, whose sum is σ = 46206990. Its totient is φ = 46206988.

The previous prime is 46206973. The next prime is 46206991. The reversal of 46206989 is 98960264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43428100 + 2778889 = 6590^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 46206989 - 2⁴ = 46206973 is a prime.

It is a super-2 number, since 2×46206989² = 4270171664892242, which contains 22 as substring.

Together with 46206991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46205989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23103494 + 23103495.

It is an arithmetic number, because the mean of its divisors is an integer number (23103495).

Almost surely, 2^46206989 is an apocalyptic number.

It is an amenable number.

46206989 is a deficient number, since it is larger than the sum of its proper divisors (1).

46206989 is an equidigital number, since it uses as much as digits as its factorization.

46206989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 46206989 is about 6797.5722872214. The cubic root of 46206989 is about 358.8414116307.

The spelling of 46206989 in words is "forty-six million, two hundred six thousand, nine hundred eighty-nine".