345464340 has 48 divisors (see below), whose sum is σ = 1041710208. Its totient is φ = 85037184.

The previous prime is 345464333. The next prime is 345464389. The reversal of 345464340 is 43464543.

It is a super-2 number, since 2×345464340² = 238691220423271200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220672 + ... + 222231.

It is an arithmetic number, because the mean of its divisors is an integer number (21702296).

Almost surely, 2^345464340 is an apocalyptic number.

345464340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345464340 is an abundant number, since it is smaller than the sum of its proper divisors (696245868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345464340 is a wasteful number, since it uses less digits than its factorization.

345464340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442928 (or 442926 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 345464340 is about 18586.6710306069. The cubic root of 345464340 is about 701.6724228747.

The spelling of 345464340 in words is "three hundred forty-five million, four hundred sixty-four thousand, three hundred forty".