390419073 has 12 divisors (see below), whose sum is σ = 615205968. Its totient is φ = 236617560.

The previous prime is 390419063. The next prime is 390419077. The reversal of 390419073 is 370914093.

It is not a de Polignac number, because 390419073 - 2¹⁷ = 390288001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (390419077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971715 + ... + 1971912.

It is an arithmetic number, because the mean of its divisors is an integer number (51267164).

Almost surely, 2^390419073 is an apocalyptic number.

390419073 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

390419073 is a deficient number, since it is larger than the sum of its proper divisors (224786895).

390419073 is a wasteful number, since it uses less digits than its factorization.

390419073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943644 (or 3943641 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 390419073 is about 19759.0251024690. The cubic root of 390419073 is about 730.8759566777.

The spelling of 390419073 in words is "three hundred ninety million, four hundred nineteen thousand, seventy-three".