390476229 has 16 divisors (see below), whose sum is σ = 611655744. Its totient is φ = 218448000.

The previous prime is 390476173. The next prime is 390476263. The reversal of 390476229 is 922674093.

It is a happy number.

It is not a de Polignac number, because 390476229 - 2⁹ = 390475717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390476269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454672 + ... + 455529.

It is an arithmetic number, because the mean of its divisors is an integer number (38228484).

Almost surely, 2^390476229 is an apocalyptic number.

390476229 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

390476229 is a deficient number, since it is larger than the sum of its proper divisors (221179515).

390476229 is a wasteful number, since it uses less digits than its factorization.

390476229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910228.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 390476229 is about 19760.4713759566. The cubic root of 390476229 is about 730.9116208402.

The spelling of 390476229 in words is "three hundred ninety million, four hundred seventy-six thousand, two hundred twenty-nine".