345407499 has 6 divisors (see below), whose sum is σ = 498921956. Its totient is φ = 230271660.

The previous prime is 345407483. The next prime is 345407501. The reversal of 345407499 is 994704543.

It is a happy number.

345407499 is a `hidden beast` number, since 34 + 540 + 74 + 9 + 9 = 666.

It is not a de Polignac number, because 345407499 - 2⁴ = 345407483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345407459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19189297 + ... + 19189314.

Almost surely, 2^345407499 is an apocalyptic number.

345407499 is a deficient number, since it is larger than the sum of its proper divisors (153514457).

345407499 is a wasteful number, since it uses less digits than its factorization.

345407499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38378617 (or 38378614 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 345407499 is about 18585.1418880782. The cubic root of 345407499 is about 701.6339375231.

The spelling of 345407499 in words is "three hundred forty-five million, four hundred seven thousand, four hundred ninety-nine".