3950545 has 8 divisors (see below), whose sum is σ = 5019624. Its totient is φ = 2974464.

The previous prime is 3950533. The next prime is 3950563. The reversal of 3950545 is 5450593.

It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 3530641 = 648^2 + 1879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3950545 - 2⁷ = 3950417 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23154 + ... + 23323.

It is an arithmetic number, because the mean of its divisors is an integer number (627453).

Almost surely, 2^3950545 is an apocalyptic number.

It is an amenable number.

3950545 is a deficient number, since it is larger than the sum of its proper divisors (1069079).

3950545 is a wasteful number, since it uses less digits than its factorization.

3950545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46499.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 3950545 is about 1987.5977963361. The cubic root of 3950545 is about 158.0831827117.

The spelling of 3950545 in words is "three million, nine hundred fifty thousand, five hundred forty-five".