3930045 has 24 divisors (see below), whose sum is σ = 7316064. Its totient is φ = 1796256.

The previous prime is 3930037. The next prime is 3930061. The reversal of 3930045 is 5400393.

It is not a de Polignac number, because 3930045 - 2³ = 3930037 is a prime.

3930045 is a lucky number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 3929997 and 3930024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1939 + ... + 3408.

It is an arithmetic number, because the mean of its divisors is an integer number (304836).

Almost surely, 2^3930045 is an apocalyptic number.

3930045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3930045 is a deficient number, since it is larger than the sum of its proper divisors (3386019).

3930045 is a wasteful number, since it uses less digits than its factorization.

3930045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369 (or 5362 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3930045 is about 1982.4341098760. The cubic root of 3930045 is about 157.8092688617.

The spelling of 3930045 in words is "three million, nine hundred thirty thousand, forty-five".