46428661 has 2 divisors, whose sum is σ = 46428662. Its totient is φ = 46428660.

The previous prime is 46428631. The next prime is 46428671. The reversal of 46428661 is 16682464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 4100625 = 6506^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 46428661 - 2⁹ = 46428149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46428661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46428611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23214330 + 23214331.

It is an arithmetic number, because the mean of its divisors is an integer number (23214331).

Almost surely, 2^46428661 is an apocalyptic number.

It is an amenable number.

46428661 is a deficient number, since it is larger than the sum of its proper divisors (1).

46428661 is an equidigital number, since it uses as much as digits as its factorization.

46428661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 46428661 is about 6813.8580114352. The cubic root of 46428661 is about 359.4143280564.

It can be divided in two parts, 46428 and 661, that added together give a square (47089 = 217²).

The spelling of 46428661 in words is "forty-six million, four hundred twenty-eight thousand, six hundred sixty-one".