106402406 has 16 divisors (see below), whose sum is σ = 174370320. Its totient is φ = 48293280.

The previous prime is 106402403. The next prime is 106402409. The reversal of 106402406 is 604204601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (106402403) and next prime (106402409).

It is a super-2 number, since 2×106402406² = 22642944005177672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106402403) 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, 13460 + ... + 19848.

It is an arithmetic number, because the mean of its divisors is an integer number (10898145).

Almost surely, 2^106402406 is an apocalyptic number.

106402406 is a deficient number, since it is larger than the sum of its proper divisors (67967914).

106402406 is a wasteful number, since it uses less digits than its factorization.

106402406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 106402406 is about 10315.1541917705. The cubic root of 106402406 is about 473.8604721454.

The spelling of 106402406 in words is "one hundred six million, four hundred two thousand, four hundred six".