390087229 has 8 divisors (see below), whose sum is σ = 460195328. Its totient is φ = 323574480.

The previous prime is 390087211. The next prime is 390087241. The reversal of 390087229 is 922780093.

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 390087229 - 2²³ = 381698621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 390087191 and 390087200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390087289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898602 + ... + 899035.

It is an arithmetic number, because the mean of its divisors is an integer number (57524416).

Almost surely, 2^390087229 is an apocalyptic number.

It is an amenable number.

390087229 is a deficient number, since it is larger than the sum of its proper divisors (70108099).

390087229 is a wasteful number, since it uses less digits than its factorization.

390087229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797675.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 390087229 is about 19750.6260407107. The cubic root of 390087229 is about 730.6688240806.

The spelling of 390087229 in words is "three hundred ninety million, eighty-seven thousand, two hundred twenty-nine".