3556723 has 12 divisors (see below), whose sum is σ = 3909952. Its totient is φ = 3231360.

The previous prime is 3556717. The next prime is 3556733. The reversal of 3556723 is 3276553.

It is not a de Polignac number, because 3556723 - 2⁵ = 3556691 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 3⁶ + 5 + 5⁹ + 6 + 7³ + 2¹³ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3556703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8761 + ... + 9157.

Almost surely, 2^3556723 is an apocalyptic number.

3556723 is a deficient number, since it is larger than the sum of its proper divisors (353229).

3556723 is a wasteful number, since it uses less digits than its factorization.

3556723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 445 counting only the distinct ones).

The product of its digits is 18900, while the sum is 31.

The square root of 3556723 is about 1885.9276232136. The cubic root of 3556723 is about 152.6452687243.

The spelling of 3556723 in words is "three million, five hundred fifty-six thousand, seven hundred twenty-three".