390750034 has 4 divisors (see below), whose sum is σ = 586125054. Its totient is φ = 195375016.

The previous prime is 390750001. The next prime is 390750043. The reversal of 390750034 is 430057093.

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

It can be written as a sum of positive squares in only one way, i.e., 387499225 + 3250809 = 19685^2 + 1803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 390749978 and 390750005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97687507 + ... + 97687510.

Almost surely, 2^390750034 is an apocalyptic number.

390750034 is a deficient number, since it is larger than the sum of its proper divisors (195375020).

390750034 is a wasteful number, since it uses less digits than its factorization.

390750034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195375019.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 390750034 is about 19767.3982607727. The cubic root of 390750034 is about 731.0824212482.

The spelling of 390750034 in words is "three hundred ninety million, seven hundred fifty thousand, thirty-four".