30400669 has 8 divisors (see below), whose sum is σ = 32897312. Its totient is φ = 27926640.

The previous prime is 30400651. The next prime is 30400723. The reversal of 30400669 is 96600403.

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

It is a cyclic number.

It is not a de Polignac number, because 30400669 - 2⁵ = 30400637 is a prime.

It is a super-2 number, since 2×30400669² = 1848401351295122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799 + ... + 8284.

It is an arithmetic number, because the mean of its divisors is an integer number (4112164).

Almost surely, 2^30400669 is an apocalyptic number.

It is an amenable number.

30400669 is a deficient number, since it is larger than the sum of its proper divisors (2496643).

30400669 is a wasteful number, since it uses less digits than its factorization.

30400669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11307.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 30400669 is about 5513.6801684537. The cubic root of 30400669 is about 312.1004395290.

The spelling of 30400669 in words is "thirty million, four hundred thousand, six hundred sixty-nine".