46397809 has 2 divisors, whose sum is σ = 46397810. Its totient is φ = 46397808.

The previous prime is 46397803. The next prime is 46397833. The reversal of 46397809 is 90879364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42614784 + 3783025 = 6528^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 46397809 - 2¹⁵ = 46365041 is a prime.

It is not a weakly prime, because it can be changed into another prime (46397803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23198904 + 23198905.

It is an arithmetic number, because the mean of its divisors is an integer number (23198905).

Almost surely, 2^46397809 is an apocalyptic number.

It is an amenable number.

46397809 is a deficient number, since it is larger than the sum of its proper divisors (1).

46397809 is an equidigital number, since it uses as much as digits as its factorization.

46397809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 46397809 is about 6811.5937195344. The cubic root of 46397809 is about 359.3346997430.

The spelling of 46397809 in words is "forty-six million, three hundred ninety-seven thousand, eight hundred nine".