390402299 has 8 divisors (see below), whose sum is σ = 465573120. Its totient is φ = 320081256.

The previous prime is 390402277. The next prime is 390402307. The reversal of 390402299 is 992204093.

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 390402299 - 2¹⁶ = 390336763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390402599) 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, 1212269 + ... + 1212590.

It is an arithmetic number, because the mean of its divisors is an integer number (58196640).

Almost surely, 2^390402299 is an apocalyptic number.

390402299 is a deficient number, since it is larger than the sum of its proper divisors (75170821).

390402299 is a wasteful number, since it uses less digits than its factorization.

390402299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424889.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 390402299 is about 19758.6006336481. The cubic root of 390402299 is about 730.8654893878.

The spelling of 390402299 in words is "three hundred ninety million, four hundred two thousand, two hundred ninety-nine".