390907029 has 4 divisors (see below), whose sum is σ = 521209376. Its totient is φ = 260604684.

The previous prime is 390907001. The next prime is 390907031. The reversal of 390907029 is 920709093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 390907029 - 2¹² = 390902933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390907039) 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, 65151169 + ... + 65151174.

It is an arithmetic number, because the mean of its divisors is an integer number (130302344).

Almost surely, 2^390907029 is an apocalyptic number.

It is an amenable number.

390907029 is a deficient number, since it is larger than the sum of its proper divisors (130302347).

390907029 is a wasteful number, since it uses less digits than its factorization.

390907029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130302346.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 390907029 is about 19771.3689207399. The cubic root of 390907029 is about 731.1803192278.

The spelling of 390907029 in words is "three hundred ninety million, nine hundred seven thousand, twenty-nine".