3643477 has 2 divisors, whose sum is σ = 3643478. Its totient is φ = 3643476.

The previous prime is 3643463. The next prime is 3643481. The reversal of 3643477 is 7743463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3418801 + 224676 = 1849^2 + 474^2 .

It is a cyclic number.

It is not a de Polignac number, because 3643477 - 2¹⁵ = 3610709 is a prime.

It is equal to p₂₅₉₆₄₈ and since 3643477 and 259648 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3643447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821738 + 1821739.

It is an arithmetic number, because the mean of its divisors is an integer number (1821739).

Almost surely, 2^3643477 is an apocalyptic number.

It is an amenable number.

3643477 is a deficient number, since it is larger than the sum of its proper divisors (1).

3643477 is an equidigital number, since it uses as much as digits as its factorization.

3643477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 34.

The square root of 3643477 is about 1908.7894069279. The cubic root of 3643477 is about 153.8763977016.

The spelling of 3643477 in words is "three million, six hundred forty-three thousand, four hundred seventy-seven".