3954723 has 4 divisors (see below), whose sum is σ = 5272968. Its totient is φ = 2636480.

The previous prime is 3954719. The next prime is 3954749. The reversal of 3954723 is 3274593.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3954723 - 2² = 3954719 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 9³ + 5³ + 4⁹ + 7 + 2²¹ + 3¹³ .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3954623) 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, 659118 + ... + 659123.

It is an arithmetic number, because the mean of its divisors is an integer number (1318242).

Almost surely, 2^3954723 is an apocalyptic number.

3954723 is a deficient number, since it is larger than the sum of its proper divisors (1318245).

3954723 is a wasteful number, since it uses less digits than its factorization.

3954723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318244.

The product of its digits is 22680, while the sum is 33.

The square root of 3954723 is about 1988.6485360666. The cubic root of 3954723 is about 158.1388913832.

The spelling of 3954723 in words is "three million, nine hundred fifty-four thousand, seven hundred twenty-three".