3645034 has 4 divisors (see below), whose sum is σ = 5467554. Its totient is φ = 1822516.

The previous prime is 3645013. The next prime is 3645049. The reversal of 3645034 is 4305463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4305463 = 151 ⋅28513.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 91809 = 1885^2 + 303^2 .

It is a super-2 number, since 2×3645034² = 26572545722312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911257 + ... + 911260.

Almost surely, 2^3645034 is an apocalyptic number.

3645034 is a deficient number, since it is larger than the sum of its proper divisors (1822520).

3645034 is a wasteful number, since it uses less digits than its factorization.

3645034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822519.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3645034 is about 1909.1972134905. The cubic root of 3645034 is about 153.8983137112.

The spelling of 3645034 in words is "three million, six hundred forty-five thousand, thirty-four".