3894951 has 4 divisors (see below), whose sum is σ = 5193272. Its totient is φ = 2596632.

The previous prime is 3894949. The next prime is 3894973. The reversal of 3894951 is 1594983.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3894951 - 2¹ = 3894949 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894991) 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, 649156 + ... + 649161.

It is an arithmetic number, because the mean of its divisors is an integer number (1298318).

Almost surely, 2^3894951 is an apocalyptic number.

3894951 is a deficient number, since it is larger than the sum of its proper divisors (1298321).

3894951 is a wasteful number, since it uses less digits than its factorization.

3894951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298320.

The product of its digits is 38880, while the sum is 39.

The square root of 3894951 is about 1973.5630215425. The cubic root of 3894951 is about 157.3381355464.

Subtracting from 3894951 its reverse (1594983), we obtain a cube (2299968 = 132³).

The spelling of 3894951 in words is "three million, eight hundred ninety-four thousand, nine hundred fifty-one".