3650899 has 4 divisors (see below), whose sum is σ = 4172464. Its totient is φ = 3129336.

The previous prime is 3650887. The next prime is 3650929. The reversal of 3650899 is 9980563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9980563 = 1571 ⋅6353.

It is not a de Polignac number, because 3650899 - 2¹³ = 3642707 is a prime.

It is a Duffinian number.

3650899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3650809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260772 + ... + 260785.

It is an arithmetic number, because the mean of its divisors is an integer number (1043116).

Almost surely, 2^3650899 is an apocalyptic number.

3650899 is a deficient number, since it is larger than the sum of its proper divisors (521565).

3650899 is an equidigital number, since it uses as much as digits as its factorization.

3650899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521564.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3650899 is about 1910.7325820219. The cubic root of 3650899 is about 153.9808122493.

The spelling of 3650899 in words is "three million, six hundred fifty thousand, eight hundred ninety-nine".