390003436 has 12 divisors (see below), whose sum is σ = 704522560. Its totient is φ = 188711280.

The previous prime is 390003431. The next prime is 390003437. The reversal of 390003436 is 634300093.

It is not an unprimeable number, because it can be changed into a prime (390003431) 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, 1572471 + ... + 1572718.

Almost surely, 2^390003436 is an apocalyptic number.

It is an amenable number.

390003436 is a deficient number, since it is larger than the sum of its proper divisors (314519124).

390003436 is a wasteful number, since it uses less digits than its factorization.

390003436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145224 (or 3145222 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 390003436 is about 19748.5046522515. The cubic root of 390003436 is about 730.6165030333.

It can be divided in two parts, 39000 and 3436, that added together give a square (42436 = 206²).

The spelling of 390003436 in words is "three hundred ninety million, three thousand, four hundred thirty-six".