309465034 has 4 divisors (see below), whose sum is σ = 464197554. Its totient is φ = 154732516.

The previous prime is 309464983. The next prime is 309465067. The reversal of 309465034 is 430564903.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430564903 = 41 ⋅10501583.

It can be written as a sum of positive squares in only one way, i.e., 308107809 + 1357225 = 17553^2 + 1165^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77366257 + ... + 77366260.

Almost surely, 2^309465034 is an apocalyptic number.

309465034 is a deficient number, since it is larger than the sum of its proper divisors (154732520).

309465034 is a wasteful number, since it uses less digits than its factorization.

309465034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154732519.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 309465034 is about 17591.6182882644. The cubic root of 309465034 is about 676.4004096429.

The spelling of 309465034 in words is "three hundred nine million, four hundred sixty-five thousand, thirty-four".