308394542 has 8 divisors (see below), whose sum is σ = 472434336. Its totient is φ = 150916432.

The previous prime is 308394517. The next prime is 308394547. The reversal of 308394542 is 245493803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 308394496 and 308394505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308394547) 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, 1640303 + ... + 1640490.

It is an arithmetic number, because the mean of its divisors is an integer number (59054292).

Almost surely, 2^308394542 is an apocalyptic number.

308394542 is a deficient number, since it is larger than the sum of its proper divisors (164039794).

308394542 is a wasteful number, since it uses less digits than its factorization.

308394542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280842.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 308394542 is about 17561.1657357933. The cubic root of 308394542 is about 675.6195807258.

The spelling of 308394542 in words is "three hundred eight million, three hundred ninety-four thousand, five hundred forty-two".