46219861 has 2 divisors, whose sum is σ = 46219862. Its totient is φ = 46219860.

The previous prime is 46219841. The next prime is 46219867. The reversal of 46219861 is 16891264.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43480836 + 2739025 = 6594^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 46219861 - 2⁵ = 46219829 is a prime.

It is equal to p_2787490 and since 46219861 and 2787490 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46219861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46219867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23109930 + 23109931.

It is an arithmetic number, because the mean of its divisors is an integer number (23109931).

Almost surely, 2^46219861 is an apocalyptic number.

It is an amenable number.

46219861 is a deficient number, since it is larger than the sum of its proper divisors (1).

46219861 is an equidigital number, since it uses as much as digits as its factorization.

46219861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 46219861 is about 6798.5190299064. The cubic root of 46219861 is about 358.8747296627.

The spelling of 46219861 in words is "forty-six million, two hundred nineteen thousand, eight hundred sixty-one".