3949473 has 16 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 2267280.

The previous prime is 3949469. The next prime is 3949487. The reversal of 3949473 is 3749493.

It is not a de Polignac number, because 3949473 - 2² = 3949469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2523 + ... + 3776.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^3949473 is an apocalyptic number.

3949473 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3949473 is a deficient number, since it is larger than the sum of its proper divisors (2098527).

3949473 is a wasteful number, since it uses less digits than its factorization.

3949473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332.

The product of its digits is 81648, while the sum is 39.

The square root of 3949473 is about 1987.3281057742. The cubic root of 3949473 is about 158.0688825327.

The spelling of 3949473 in words is "three million, nine hundred forty-nine thousand, four hundred seventy-three".